Finding the Fourth Proportional to 5,125,357.61, 7,073,141.12 and 2,833,665.92
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Solution
The fourth proportional to 5,125,357.61, 7,073,141.12 and 2,833,665.92 is: 3,910,540.58
Step by Step Solution
- Step 1: Write the proportion equation
5,125,357.61 : 7,073,141.12 = 2,833,665.92 : x - Step 2: Convert to fraction form
5,125,357.61/7,073,141.12 = 2,833,665.92/x - Step 3: Cross multiply
5,125,357.61x = 7,073,141.12 × 2,833,665.92 - Step 4: Simplify right side
5,125,357.61x = 20,042,918,921,411.78 - Step 5: Solve for x
x = 20,042,918,921,411.78/5,125,357.61 - Step 6: Final answer
x = 3,910,540.58
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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.