Home / 2,101,358.59-3,151,840.90-681,426.97

Finding the Fourth Proportional to 2,101,358.59, 3,151,840.90 and 681,426.97

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Solution

The fourth proportional to 2,101,358.59, 3,151,840.90 and 681,426.97 is: 1,022,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,358.59 : 3,151,840.90 = 681,426.97 : x
  2. Step 2: Convert to fraction form
    2,101,358.59/3,151,840.90 = 681,426.97/x
  3. Step 3: Cross multiply
    2,101,358.59x = 3,151,840.90 × 681,426.97
  4. Step 4: Simplify right side
    2,101,358.59x = 2,147,749,375,242.73
  5. Step 5: Solve for x
    x = 2,147,749,375,242.73/2,101,358.59
  6. Step 6: Final answer
    x = 1,022,076.57

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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.