Finding the Fourth Proportional to 2,847,490.85, 3,929,484.84 and 1,558,305.38
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Solution
The fourth proportional to 2,847,490.85, 3,929,484.84 and 1,558,305.38 is: 2,150,432.68
Step by Step Solution
- Step 1: Write the proportion equation
2,847,490.85 : 3,929,484.84 = 1,558,305.38 : x - Step 2: Convert to fraction form
2,847,490.85/3,929,484.84 = 1,558,305.38/x - Step 3: Cross multiply
2,847,490.85x = 3,929,484.84 × 1,558,305.38 - Step 4: Simplify right side
2,847,490.85x = 6,123,337,366,800.44 - Step 5: Solve for x
x = 6,123,337,366,800.44/2,847,490.85 - Step 6: Final answer
x = 2,150,432.68
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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.