Finding the Fourth Proportional to 3,138,136.62, 4,703,158.17 and 1,518,524.70
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Solution
The fourth proportional to 3,138,136.62, 4,703,158.17 and 1,518,524.70 is: 2,275,828.85
Step by Step Solution
- Step 1: Write the proportion equation
3,138,136.62 : 4,703,158.17 = 1,518,524.70 : x - Step 2: Convert to fraction form
3,138,136.62/4,703,158.17 = 1,518,524.70/x - Step 3: Cross multiply
3,138,136.62x = 4,703,158.17 × 1,518,524.70 - Step 4: Simplify right side
3,138,136.62x = 7,141,861,849,151.80 - Step 5: Solve for x
x = 7,141,861,849,151.80/3,138,136.62 - Step 6: Final answer
x = 2,275,828.85
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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.