Finding the Fourth Proportional to 2,632,775.13, 3,949,162.70 and 638,231.13
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Solution
The fourth proportional to 2,632,775.13, 3,949,162.70 and 638,231.13 is: 957,346.70
Step by Step Solution
- Step 1: Write the proportion equation
2,632,775.13 : 3,949,162.70 = 638,231.13 : x - Step 2: Convert to fraction form
2,632,775.13/3,949,162.70 = 638,231.13/x - Step 3: Cross multiply
2,632,775.13x = 3,949,162.70 × 638,231.13 - Step 4: Simplify right side
2,632,775.13x = 2,520,478,572,574.85 - Step 5: Solve for x
x = 2,520,478,572,574.85/2,632,775.13 - Step 6: Final answer
x = 957,346.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.