Finding the Fourth Proportional to 3,498,474.38, 5,235,861.26 and 2,151,491.36
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Solution
The fourth proportional to 3,498,474.38, 5,235,861.26 and 2,151,491.36 is: 3,219,949.34
Step by Step Solution
- Step 1: Write the proportion equation
3,498,474.38 : 5,235,861.26 = 2,151,491.36 : x - Step 2: Convert to fraction form
3,498,474.38/5,235,861.26 = 2,151,491.36/x - Step 3: Cross multiply
3,498,474.38x = 5,235,861.26 × 2,151,491.36 - Step 4: Simplify right side
3,498,474.38x = 11,264,910,242,248.14 - Step 5: Solve for x
x = 11,264,910,242,248.14/3,498,474.38 - Step 6: Final answer
x = 3,219,949.34
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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.