Home / 3,642,560.28-5,027,391.09-2,172,563.10

Finding the Fourth Proportional to 3,642,560.28, 5,027,391.09 and 2,172,563.10

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Solution

The fourth proportional to 3,642,560.28, 5,027,391.09 and 2,172,563.10 is: 2,998,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,560.28 : 5,027,391.09 = 2,172,563.10 : x
  2. Step 2: Convert to fraction form
    3,642,560.28/5,027,391.09 = 2,172,563.10/x
  3. Step 3: Cross multiply
    3,642,560.28x = 5,027,391.09 × 2,172,563.10
  4. Step 4: Simplify right side
    3,642,560.28x = 10,922,324,371,402.78
  5. Step 5: Solve for x
    x = 10,922,324,371,402.78/3,642,560.28
  6. Step 6: Final answer
    x = 2,998,529.48

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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.