Finding the Fourth Proportional to 2,513,691.12, 3,468,935.20 and 1,367,777.28
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Solution
The fourth proportional to 2,513,691.12, 3,468,935.20 and 1,367,777.28 is: 1,887,555.20
Step by Step Solution
- Step 1: Write the proportion equation
2,513,691.12 : 3,468,935.20 = 1,367,777.28 : x - Step 2: Convert to fraction form
2,513,691.12/3,468,935.20 = 1,367,777.28/x - Step 3: Cross multiply
2,513,691.12x = 3,468,935.20 × 1,367,777.28 - Step 4: Simplify right side
2,513,691.12x = 4,744,730,752,352.26 - Step 5: Solve for x
x = 4,744,730,752,352.26/2,513,691.12 - Step 6: Final answer
x = 1,887,555.20
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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.