Finding the Fourth Proportional to 3,752,432.64, 5,178,631.68 and 2,142,766.08
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Solution
The fourth proportional to 3,752,432.64, 5,178,631.68 and 2,142,766.08 is: 2,957,174.02
Step by Step Solution
- Step 1: Write the proportion equation
3,752,432.64 : 5,178,631.68 = 2,142,766.08 : x - Step 2: Convert to fraction form
3,752,432.64/5,178,631.68 = 2,142,766.08/x - Step 3: Cross multiply
3,752,432.64x = 5,178,631.68 × 2,142,766.08 - Step 4: Simplify right side
3,752,432.64x = 11,096,596,304,717.41 - Step 5: Solve for x
x = 11,096,596,304,717.41/3,752,432.64 - Step 6: Final answer
x = 2,957,174.02
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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.