Finding the Fourth Proportional to 3,635,658.12, 5,019,878.90 and 2,347,251.08
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Solution
The fourth proportional to 3,635,658.12, 5,019,878.90 and 2,347,251.08 is: 3,240,930.74
Step by Step Solution
- Step 1: Write the proportion equation
3,635,658.12 : 5,019,878.90 = 2,347,251.08 : x - Step 2: Convert to fraction form
3,635,658.12/5,019,878.90 = 2,347,251.08/x - Step 3: Cross multiply
3,635,658.12x = 5,019,878.90 × 2,347,251.08 - Step 4: Simplify right side
3,635,658.12x = 11,782,916,169,494.21 - Step 5: Solve for x
x = 11,782,916,169,494.21/3,635,658.12 - Step 6: Final answer
x = 3,240,930.74
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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.