Finding the Fourth Proportional to 4,138,680.96, 5,711,353.92 and 2,327,863.68
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Solution
The fourth proportional to 4,138,680.96, 5,711,353.92 and 2,327,863.68 is: 3,212,437.36
Step by Step Solution
- Step 1: Write the proportion equation
4,138,680.96 : 5,711,353.92 = 2,327,863.68 : x - Step 2: Convert to fraction form
4,138,680.96/5,711,353.92 = 2,327,863.68/x - Step 3: Cross multiply
4,138,680.96x = 5,711,353.92 × 2,327,863.68 - Step 4: Simplify right side
4,138,680.96x = 13,295,253,353,993.63 - Step 5: Solve for x
x = 13,295,253,353,993.63/4,138,680.96 - Step 6: Final answer
x = 3,212,437.36
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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.