Home / 3,378,091.20-4,661,717.76-1,928,245.92

Finding the Fourth Proportional to 3,378,091.20, 4,661,717.76 and 1,928,245.92

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Solution

The fourth proportional to 3,378,091.20, 4,661,717.76 and 1,928,245.92 is: 2,660,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,091.20 : 4,661,717.76 = 1,928,245.92 : x
  2. Step 2: Convert to fraction form
    3,378,091.20/4,661,717.76 = 1,928,245.92/x
  3. Step 3: Cross multiply
    3,378,091.20x = 4,661,717.76 × 1,928,245.92
  4. Step 4: Simplify right side
    3,378,091.20x = 8,988,938,250,911.54
  5. Step 5: Solve for x
    x = 8,988,938,250,911.54/3,378,091.20
  6. Step 6: Final answer
    x = 2,660,951.92

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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.