Finding the Fourth Proportional to 5,918,724.24, 8,872,754.40 and 2,129,541.36
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Solution
The fourth proportional to 5,918,724.24, 8,872,754.40 and 2,129,541.36 is: 3,192,393.61
Step by Step Solution
- Step 1: Write the proportion equation
5,918,724.24 : 8,872,754.40 = 2,129,541.36 : x - Step 2: Convert to fraction form
5,918,724.24/8,872,754.40 = 2,129,541.36/x - Step 3: Cross multiply
5,918,724.24x = 8,872,754.40 × 2,129,541.36 - Step 4: Simplify right side
5,918,724.24x = 18,894,897,471,921.98 - Step 5: Solve for x
x = 18,894,897,471,921.98/5,918,724.24 - Step 6: Final answer
x = 3,192,393.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.