Finding the Fourth Proportional to 3,787,521.26, 5,226,949.24 and 2,068,655.90
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Solution
The fourth proportional to 3,787,521.26, 5,226,949.24 and 2,068,655.90 is: 2,854,837.93
Step by Step Solution
- Step 1: Write the proportion equation
3,787,521.26 : 5,226,949.24 = 2,068,655.90 : x - Step 2: Convert to fraction form
3,787,521.26/5,226,949.24 = 2,068,655.90/x - Step 3: Cross multiply
3,787,521.26x = 5,226,949.24 × 2,068,655.90 - Step 4: Simplify right side
3,787,521.26x = 10,812,759,353,020.13 - Step 5: Solve for x
x = 10,812,759,353,020.13/3,787,521.26 - Step 6: Final answer
x = 2,854,837.93
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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.