Finding the Fourth Proportional to 1,595,543.22, 2,201,856.84 and 870,388.68
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Solution
The fourth proportional to 1,595,543.22, 2,201,856.84 and 870,388.68 is: 1,201,140.30
Step by Step Solution
- Step 1: Write the proportion equation
1,595,543.22 : 2,201,856.84 = 870,388.68 : x - Step 2: Convert to fraction form
1,595,543.22/2,201,856.84 = 870,388.68/x - Step 3: Cross multiply
1,595,543.22x = 2,201,856.84 × 870,388.68 - Step 4: Simplify right side
1,595,543.22x = 1,916,471,268,516.57 - Step 5: Solve for x
x = 1,916,471,268,516.57/1,595,543.22 - Step 6: Final answer
x = 1,201,140.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.