Finding the Fourth Proportional to 3,193,761.18, 4,396,203.57 and 2,785,142.10
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Solution
The fourth proportional to 3,193,761.18, 4,396,203.57 and 2,785,142.10 is: 3,833,740.52
Step by Step Solution
- Step 1: Write the proportion equation
3,193,761.18 : 4,396,203.57 = 2,785,142.10 : x - Step 2: Convert to fraction form
3,193,761.18/4,396,203.57 = 2,785,142.10/x - Step 3: Cross multiply
3,193,761.18x = 4,396,203.57 × 2,785,142.10 - Step 4: Simplify right side
3,193,761.18x = 12,244,051,642,977.30 - Step 5: Solve for x
x = 12,244,051,642,977.30/3,193,761.18 - Step 6: Final answer
x = 3,833,740.52
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1.5x scale
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.