Home / 2,138,997.60-3,206,941.20-876,175.20

Finding the Fourth Proportional to 2,138,997.60, 3,206,941.20 and 876,175.20

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Solution

The fourth proportional to 2,138,997.60, 3,206,941.20 and 876,175.20 is: 1,313,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,997.60 : 3,206,941.20 = 876,175.20 : x
  2. Step 2: Convert to fraction form
    2,138,997.60/3,206,941.20 = 876,175.20/x
  3. Step 3: Cross multiply
    2,138,997.60x = 3,206,941.20 × 876,175.20
  4. Step 4: Simplify right side
    2,138,997.60x = 2,809,842,347,298.24
  5. Step 5: Solve for x
    x = 2,809,842,347,298.24/2,138,997.60
  6. Step 6: Final answer
    x = 1,313,625.76

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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.