Home / 3,620,131.20-4,995,489.60-2,092,337.28

Finding the Fourth Proportional to 3,620,131.20, 4,995,489.60 and 2,092,337.28

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Solution

The fourth proportional to 3,620,131.20, 4,995,489.60 and 2,092,337.28 is: 2,887,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,131.20 : 4,995,489.60 = 2,092,337.28 : x
  2. Step 2: Convert to fraction form
    3,620,131.20/4,995,489.60 = 2,092,337.28/x
  3. Step 3: Cross multiply
    3,620,131.20x = 4,995,489.60 × 2,092,337.28
  4. Step 4: Simplify right side
    3,620,131.20x = 10,452,249,121,932.29
  5. Step 5: Solve for x
    x = 10,452,249,121,932.29/3,620,131.20
  6. Step 6: Final answer
    x = 2,887,256.99

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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.