Finding the Fourth Proportional to 2,801,147.20, 4,201,720.80 and 2,632,857.55
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Solution
The fourth proportional to 2,801,147.20, 4,201,720.80 and 2,632,857.55 is: 3,949,286.33
Step by Step Solution
- Step 1: Write the proportion equation
2,801,147.20 : 4,201,720.80 = 2,632,857.55 : x - Step 2: Convert to fraction form
2,801,147.20/4,201,720.80 = 2,632,857.55/x - Step 3: Cross multiply
2,801,147.20x = 4,201,720.80 × 2,632,857.55 - Step 4: Simplify right side
2,801,147.20x = 11,062,532,331,272.04 - Step 5: Solve for x
x = 11,062,532,331,272.04/2,801,147.20 - Step 6: Final answer
x = 3,949,286.33
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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.