Finding the Fourth Proportional to 2,162,660.22, 2,984,260.68 and 1,195,658.10
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Solution
The fourth proportional to 2,162,660.22, 2,984,260.68 and 1,195,658.10 is: 1,649,891.84
Step by Step Solution
- Step 1: Write the proportion equation
2,162,660.22 : 2,984,260.68 = 1,195,658.10 : x - Step 2: Convert to fraction form
2,162,660.22/2,984,260.68 = 1,195,658.10/x - Step 3: Cross multiply
2,162,660.22x = 2,984,260.68 × 1,195,658.10 - Step 4: Simplify right side
2,162,660.22x = 3,568,155,454,553.51 - Step 5: Solve for x
x = 3,568,155,454,553.51/2,162,660.22 - Step 6: Final answer
x = 1,649,891.84
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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.