Finding the Fourth Proportional to 1,098,013.56, 1,515,188.40 and 614,497.08
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Solution
The fourth proportional to 1,098,013.56, 1,515,188.40 and 614,497.08 is: 847,966.62
Step by Step Solution
- Step 1: Write the proportion equation
1,098,013.56 : 1,515,188.40 = 614,497.08 : x - Step 2: Convert to fraction form
1,098,013.56/1,515,188.40 = 614,497.08/x - Step 3: Cross multiply
1,098,013.56x = 1,515,188.40 × 614,497.08 - Step 4: Simplify right side
1,098,013.56x = 931,078,847,449.87 - Step 5: Solve for x
x = 931,078,847,449.87/1,098,013.56 - Step 6: Final answer
x = 847,966.62
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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.