Home / 2,154,227.19-3,231,422.81-806,247.87

Finding the Fourth Proportional to 2,154,227.19, 3,231,422.81 and 806,247.87

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Solution

The fourth proportional to 2,154,227.19, 3,231,422.81 and 806,247.87 is: 1,209,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,227.19 : 3,231,422.81 = 806,247.87 : x
  2. Step 2: Convert to fraction form
    2,154,227.19/3,231,422.81 = 806,247.87/x
  3. Step 3: Cross multiply
    2,154,227.19x = 3,231,422.81 × 806,247.87
  4. Step 4: Simplify right side
    2,154,227.19x = 2,605,327,753,600.68
  5. Step 5: Solve for x
    x = 2,605,327,753,600.68/2,154,227.19
  6. Step 6: Final answer
    x = 1,209,402.50

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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.