Home / 3,320,112.20-4,976,231.70-2,981,564.60

Finding the Fourth Proportional to 3,320,112.20, 4,976,231.70 and 2,981,564.60

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Solution

The fourth proportional to 3,320,112.20, 4,976,231.70 and 2,981,564.60 is: 4,468,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,112.20 : 4,976,231.70 = 2,981,564.60 : x
  2. Step 2: Convert to fraction form
    3,320,112.20/4,976,231.70 = 2,981,564.60/x
  3. Step 3: Cross multiply
    3,320,112.20x = 4,976,231.70 × 2,981,564.60
  4. Step 4: Simplify right side
    3,320,112.20x = 14,836,956,278,117.82
  5. Step 5: Solve for x
    x = 14,836,956,278,117.82/3,320,112.20
  6. Step 6: Final answer
    x = 4,468,811.71

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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.