Home / 2,101,789.56-3,153,127.20-681,734.88

Finding the Fourth Proportional to 2,101,789.56, 3,153,127.20 and 681,734.88

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Solution

The fourth proportional to 2,101,789.56, 3,153,127.20 and 681,734.88 is: 1,022,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,789.56 : 3,153,127.20 = 681,734.88 : x
  2. Step 2: Convert to fraction form
    2,101,789.56/3,153,127.20 = 681,734.88/x
  3. Step 3: Cross multiply
    2,101,789.56x = 3,153,127.20 × 681,734.88
  4. Step 4: Simplify right side
    2,101,789.56x = 2,149,596,793,316.74
  5. Step 5: Solve for x
    x = 2,149,596,793,316.74/2,101,789.56
  6. Step 6: Final answer
    x = 1,022,745.97

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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.