Home / 2,086,246.44-3,129,819.24-646,900.90

Finding the Fourth Proportional to 2,086,246.44, 3,129,819.24 and 646,900.90

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Solution

The fourth proportional to 2,086,246.44, 3,129,819.24 and 646,900.90 is: 970,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,246.44 : 3,129,819.24 = 646,900.90 : x
  2. Step 2: Convert to fraction form
    2,086,246.44/3,129,819.24 = 646,900.90/x
  3. Step 3: Cross multiply
    2,086,246.44x = 3,129,819.24 × 646,900.90
  4. Step 4: Simplify right side
    2,086,246.44x = 2,024,682,883,193.32
  5. Step 5: Solve for x
    x = 2,024,682,883,193.32/2,086,246.44
  6. Step 6: Final answer
    x = 970,490.76

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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.