Finding the Fourth Proportional to 4,172,291.76, 6,253,393.10 and 2,149,432.18
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Solution
The fourth proportional to 4,172,291.76, 6,253,393.10 and 2,149,432.18 is: 3,221,549.48
Step by Step Solution
- Step 1: Write the proportion equation
4,172,291.76 : 6,253,393.10 = 2,149,432.18 : x - Step 2: Convert to fraction form
4,172,291.76/6,253,393.10 = 2,149,432.18/x - Step 3: Cross multiply
4,172,291.76x = 6,253,393.10 × 2,149,432.18 - Step 4: Simplify right side
4,172,291.76x = 13,441,244,336,949.31 - Step 5: Solve for x
x = 13,441,244,336,949.31/4,172,291.76 - Step 6: Final answer
x = 3,221,549.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.