Finding the Fourth Proportional to 3,787,447.59, 5,226,790.86 and 2,068,649.19
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Solution
The fourth proportional to 3,787,447.59, 5,226,790.86 and 2,068,649.19 is: 2,854,797.70
Step by Step Solution
- Step 1: Write the proportion equation
3,787,447.59 : 5,226,790.86 = 2,068,649.19 : x - Step 2: Convert to fraction form
3,787,447.59/5,226,790.86 = 2,068,649.19/x - Step 3: Cross multiply
3,787,447.59x = 5,226,790.86 × 2,068,649.19 - Step 4: Simplify right side
3,787,447.59x = 10,812,396,678,838.40 - Step 5: Solve for x
x = 10,812,396,678,838.40/3,787,447.59 - Step 6: Final answer
x = 2,854,797.70
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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.