Arrange the following building materials in the increasing order of density of materials.
Granite, Steel, River sand, Water
Density of water = 9.81 kN/m3 or 1000 kg/m3 (SG = 1)
Density of steel = 7850 kg/m3 (SG = 7.85)
Density of sand = Approx. 18 kN/m3 (SG = 1.84)
Density of granite, SG = 2.7