Finding the Fourth Proportional to 2,577,572.52, 3,556,951.14 and 1,431,726.12
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Solution
The fourth proportional to 2,577,572.52, 3,556,951.14 and 1,431,726.12 is: 1,975,727.09
Step by Step Solution
- Step 1: Write the proportion equation
2,577,572.52 : 3,556,951.14 = 1,431,726.12 : x - Step 2: Convert to fraction form
2,577,572.52/3,556,951.14 = 1,431,726.12/x - Step 3: Cross multiply
2,577,572.52x = 3,556,951.14 × 1,431,726.12 - Step 4: Simplify right side
2,577,572.52x = 5,092,579,854,701.78 - Step 5: Solve for x
x = 5,092,579,854,701.78/2,577,572.52 - Step 6: Final answer
x = 1,975,727.09
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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.