Finding the Fourth Proportional to 5,642,516.20, 8,451,332.70 and 4,896,020.20
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Solution
The fourth proportional to 5,642,516.20, 8,451,332.70 and 4,896,020.20 is: 7,333,234.70
Step by Step Solution
- Step 1: Write the proportion equation
5,642,516.20 : 8,451,332.70 = 4,896,020.20 : x - Step 2: Convert to fraction form
5,642,516.20/8,451,332.70 = 4,896,020.20/x - Step 3: Cross multiply
5,642,516.20x = 8,451,332.70 × 4,896,020.20 - Step 4: Simplify right side
5,642,516.20x = 41,377,895,616,120.54 - Step 5: Solve for x
x = 41,377,895,616,120.54/5,642,516.20 - Step 6: Final answer
x = 7,333,234.70
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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.