Home / 2,148,791.39-3,222,836.78-632,119.68

Finding the Fourth Proportional to 2,148,791.39, 3,222,836.78 and 632,119.68

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Solution

The fourth proportional to 2,148,791.39, 3,222,836.78 and 632,119.68 is: 948,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,791.39 : 3,222,836.78 = 632,119.68 : x
  2. Step 2: Convert to fraction form
    2,148,791.39/3,222,836.78 = 632,119.68/x
  3. Step 3: Cross multiply
    2,148,791.39x = 3,222,836.78 × 632,119.68
  4. Step 4: Simplify right side
    2,148,791.39x = 2,037,218,550,905.23
  5. Step 5: Solve for x
    x = 2,037,218,550,905.23/2,148,791.39
  6. Step 6: Final answer
    x = 948,076.47

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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.