Finding the Fourth Proportional to 3,912,016.24, 5,398,841.52 and 2,193,248.08
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Solution
The fourth proportional to 3,912,016.24, 5,398,841.52 and 2,193,248.08 is: 3,026,827.62
Step by Step Solution
- Step 1: Write the proportion equation
3,912,016.24 : 5,398,841.52 = 2,193,248.08 : x - Step 2: Convert to fraction form
3,912,016.24/5,398,841.52 = 2,193,248.08/x - Step 3: Cross multiply
3,912,016.24x = 5,398,841.52 × 2,193,248.08 - Step 4: Simplify right side
3,912,016.24x = 11,840,998,797,964.28 - Step 5: Solve for x
x = 11,840,998,797,964.28/3,912,016.24 - Step 6: Final answer
x = 3,026,827.62
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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.