Finding the Fourth Proportional to 3,898,344.26, 5,379,441.98 and 2,266,635.86
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Solution
The fourth proportional to 3,898,344.26, 5,379,441.98 and 2,266,635.86 is: 3,127,798.70
Step by Step Solution
- Step 1: Write the proportion equation
3,898,344.26 : 5,379,441.98 = 2,266,635.86 : x - Step 2: Convert to fraction form
3,898,344.26/5,379,441.98 = 2,266,635.86/x - Step 3: Cross multiply
3,898,344.26x = 5,379,441.98 × 2,266,635.86 - Step 4: Simplify right side
3,898,344.26x = 12,193,236,123,609.11 - Step 5: Solve for x
x = 12,193,236,123,609.11/3,898,344.26 - Step 6: Final answer
x = 3,127,798.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.