Finding the Fourth Proportional to 3,695,443.12, 5,099,856.88 and 2,125,572.08
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Solution
The fourth proportional to 3,695,443.12, 5,099,856.88 and 2,125,572.08 is: 2,933,373.09
Step by Step Solution
- Step 1: Write the proportion equation
3,695,443.12 : 5,099,856.88 = 2,125,572.08 : x - Step 2: Convert to fraction form
3,695,443.12/5,099,856.88 = 2,125,572.08/x - Step 3: Cross multiply
3,695,443.12x = 5,099,856.88 × 2,125,572.08 - Step 4: Simplify right side
3,695,443.12x = 10,840,113,396,123.91 - Step 5: Solve for x
x = 10,840,113,396,123.91/3,695,443.12 - Step 6: Final answer
x = 2,933,373.09
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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.