Home / 2,154,228.89-3,231,425.34-806,249.57

Finding the Fourth Proportional to 2,154,228.89, 3,231,425.34 and 806,249.57

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Solution

The fourth proportional to 2,154,228.89, 3,231,425.34 and 806,249.57 is: 1,209,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,228.89 : 3,231,425.34 = 806,249.57 : x
  2. Step 2: Convert to fraction form
    2,154,228.89/3,231,425.34 = 806,249.57/x
  3. Step 3: Cross multiply
    2,154,228.89x = 3,231,425.34 × 806,249.57
  4. Step 4: Simplify right side
    2,154,228.89x = 2,605,335,274,704.98
  5. Step 5: Solve for x
    x = 2,605,335,274,704.98/2,154,228.89
  6. Step 6: Final answer
    x = 1,209,405.04

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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.