Finding the Fourth Proportional to 3,960,414.76, 5,465,226.18 and 2,149,539.88
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Solution
The fourth proportional to 3,960,414.76, 5,465,226.18 and 2,149,539.88 is: 2,966,285.69
Step by Step Solution
- Step 1: Write the proportion equation
3,960,414.76 : 5,465,226.18 = 2,149,539.88 : x - Step 2: Convert to fraction form
3,960,414.76/5,465,226.18 = 2,149,539.88/x - Step 3: Cross multiply
3,960,414.76x = 5,465,226.18 × 2,149,539.88 - Step 4: Simplify right side
3,960,414.76x = 11,747,721,627,130.06 - Step 5: Solve for x
x = 11,747,721,627,130.06/3,960,414.76 - Step 6: Final answer
x = 2,966,285.69
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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.