Home / 2,600,449.38-3,901,047.21-803,489.76

Finding the Fourth Proportional to 2,600,449.38, 3,901,047.21 and 803,489.76

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Solution

The fourth proportional to 2,600,449.38, 3,901,047.21 and 803,489.76 is: 1,205,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,449.38 : 3,901,047.21 = 803,489.76 : x
  2. Step 2: Convert to fraction form
    2,600,449.38/3,901,047.21 = 803,489.76/x
  3. Step 3: Cross multiply
    2,600,449.38x = 3,901,047.21 × 803,489.76
  4. Step 4: Simplify right side
    2,600,449.38x = 3,134,451,486,511.57
  5. Step 5: Solve for x
    x = 3,134,451,486,511.57/2,600,449.38
  6. Step 6: Final answer
    x = 1,205,349.93

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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.