Finding the Fourth Proportional to 6,794,545.74, 9,376,861.08 and 3,894,419.70
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Solution
The fourth proportional to 6,794,545.74, 9,376,861.08 and 3,894,419.70 is: 5,374,521.55
Step by Step Solution
- Step 1: Write the proportion equation
6,794,545.74 : 9,376,861.08 = 3,894,419.70 : x - Step 2: Convert to fraction form
6,794,545.74/9,376,861.08 = 3,894,419.70/x - Step 3: Cross multiply
6,794,545.74x = 9,376,861.08 × 3,894,419.70 - Step 4: Simplify right side
6,794,545.74x = 36,517,432,514,115.28 - Step 5: Solve for x
x = 36,517,432,514,115.28/6,794,545.74 - Step 6: Final answer
x = 5,374,521.55
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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.