Finding the Fourth Proportional to 6,447,672.68, 8,897,861.66 and 3,694,304.88
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Solution
The fourth proportional to 6,447,672.68, 8,897,861.66 and 3,694,304.88 is: 5,098,182.77
Step by Step Solution
- Step 1: Write the proportion equation
6,447,672.68 : 8,897,861.66 = 3,694,304.88 : x - Step 2: Convert to fraction form
6,447,672.68/8,897,861.66 = 3,694,304.88/x - Step 3: Cross multiply
6,447,672.68x = 8,897,861.66 × 3,694,304.88 - Step 4: Simplify right side
6,447,672.68x = 32,871,413,752,102.90 - Step 5: Solve for x
x = 32,871,413,752,102.90/6,447,672.68 - Step 6: Final answer
x = 5,098,182.77
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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.