Home / 2,149,222.14-2,965,951.01-1,231,432.88

Finding the Fourth Proportional to 2,149,222.14, 2,965,951.01 and 1,231,432.88

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Solution

The fourth proportional to 2,149,222.14, 2,965,951.01 and 1,231,432.88 is: 1,699,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,222.14 : 2,965,951.01 = 1,231,432.88 : x
  2. Step 2: Convert to fraction form
    2,149,222.14/2,965,951.01 = 1,231,432.88/x
  3. Step 3: Cross multiply
    2,149,222.14x = 2,965,951.01 × 1,231,432.88
  4. Step 4: Simplify right side
    2,149,222.14x = 3,652,369,582,432.04
  5. Step 5: Solve for x
    x = 3,652,369,582,432.04/2,149,222.14
  6. Step 6: Final answer
    x = 1,699,391.38

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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.