Finding the Fourth Proportional to 4,313,065.98, 6,469,598.97 and 1,320,861.18
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Solution
The fourth proportional to 4,313,065.98, 6,469,598.97 and 1,320,861.18 is: 1,981,291.77
Step by Step Solution
- Step 1: Write the proportion equation
4,313,065.98 : 6,469,598.97 = 1,320,861.18 : x - Step 2: Convert to fraction form
4,313,065.98/6,469,598.97 = 1,320,861.18/x - Step 3: Cross multiply
4,313,065.98x = 6,469,598.97 × 1,320,861.18 - Step 4: Simplify right side
4,313,065.98x = 8,545,442,129,640.98 - Step 5: Solve for x
x = 8,545,442,129,640.98/4,313,065.98 - Step 6: Final answer
x = 1,981,291.77
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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.