Finding the Fourth Proportional to 4,921,148.71, 6,791,175.84 and 2,745,562.42
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Solution
The fourth proportional to 4,921,148.71, 6,791,175.84 and 2,745,562.42 is: 3,788,870.91
Step by Step Solution
- Step 1: Write the proportion equation
4,921,148.71 : 6,791,175.84 = 2,745,562.42 : x - Step 2: Convert to fraction form
4,921,148.71/6,791,175.84 = 2,745,562.42/x - Step 3: Cross multiply
4,921,148.71x = 6,791,175.84 × 2,745,562.42 - Step 4: Simplify right side
4,921,148.71x = 18,645,597,173,915.93 - Step 5: Solve for x
x = 18,645,597,173,915.93/4,921,148.71 - Step 6: Final answer
x = 3,788,870.91
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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.