Finding the Fourth Proportional to 3,984,167.70, 5,976,251.55 and 992,351.70
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Solution
The fourth proportional to 3,984,167.70, 5,976,251.55 and 992,351.70 is: 1,488,527.55
Step by Step Solution
- Step 1: Write the proportion equation
3,984,167.70 : 5,976,251.55 = 992,351.70 : x - Step 2: Convert to fraction form
3,984,167.70/5,976,251.55 = 992,351.70/x - Step 3: Cross multiply
3,984,167.70x = 5,976,251.55 × 992,351.70 - Step 4: Simplify right side
3,984,167.70x = 5,930,543,385,270.14 - Step 5: Solve for x
x = 5,930,543,385,270.14/3,984,167.70 - Step 6: Final answer
x = 1,488,527.55
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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.