Finding the Fourth Proportional to 1,472,755.68, 2,031,913.92 and 1,200,355.68
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Solution
The fourth proportional to 1,472,755.68, 2,031,913.92 and 1,200,355.68 is: 1,656,092.35
Step by Step Solution
- Step 1: Write the proportion equation
1,472,755.68 : 2,031,913.92 = 1,200,355.68 : x - Step 2: Convert to fraction form
1,472,755.68/2,031,913.92 = 1,200,355.68/x - Step 3: Cross multiply
1,472,755.68x = 2,031,913.92 × 1,200,355.68 - Step 4: Simplify right side
1,472,755.68x = 2,439,019,415,143.07 - Step 5: Solve for x
x = 2,439,019,415,143.07/1,472,755.68 - Step 6: Final answer
x = 1,656,092.35
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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.