Home / 3,981,571.20-5,494,331.52-2,262,453.12

Finding the Fourth Proportional to 3,981,571.20, 5,494,331.52 and 2,262,453.12

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Solution

The fourth proportional to 3,981,571.20, 5,494,331.52 and 2,262,453.12 is: 3,122,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,571.20 : 5,494,331.52 = 2,262,453.12 : x
  2. Step 2: Convert to fraction form
    3,981,571.20/5,494,331.52 = 2,262,453.12/x
  3. Step 3: Cross multiply
    3,981,571.20x = 5,494,331.52 × 2,262,453.12
  4. Step 4: Simplify right side
    3,981,571.20x = 12,430,667,489,738.34
  5. Step 5: Solve for x
    x = 12,430,667,489,738.34/3,981,571.20
  6. Step 6: Final answer
    x = 3,122,050.78

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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.