Finding the Fourth Proportional to 4,892,572.70, 7,336,234.65 and 2,049,472.70
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Solution
The fourth proportional to 4,892,572.70, 7,336,234.65 and 2,049,472.70 is: 3,073,109.70
Step by Step Solution
- Step 1: Write the proportion equation
4,892,572.70 : 7,336,234.65 = 2,049,472.70 : x - Step 2: Convert to fraction form
4,892,572.70/7,336,234.65 = 2,049,472.70/x - Step 3: Cross multiply
4,892,572.70x = 7,336,234.65 × 2,049,472.70 - Step 4: Simplify right side
4,892,572.70x = 15,035,412,635,969.05 - Step 5: Solve for x
x = 15,035,412,635,969.05/4,892,572.70 - Step 6: Final answer
x = 3,073,109.70
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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.