Finding the Fourth Proportional to 3,797,449.92, 5,239,444.56 and 2,165,262.12
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Solution
The fourth proportional to 3,797,449.92, 5,239,444.56 and 2,165,262.12 is: 2,987,470.82
Step by Step Solution
- Step 1: Write the proportion equation
3,797,449.92 : 5,239,444.56 = 2,165,262.12 : x - Step 2: Convert to fraction form
3,797,449.92/5,239,444.56 = 2,165,262.12/x - Step 3: Cross multiply
3,797,449.92x = 5,239,444.56 × 2,165,262.12 - Step 4: Simplify right side
3,797,449.92x = 11,344,770,835,608.07 - Step 5: Solve for x
x = 11,344,770,835,608.07/3,797,449.92 - Step 6: Final answer
x = 2,987,470.82
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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.