Home / 2,947,204.20-4,420,806.30-2,557,480.80

Finding the Fourth Proportional to 2,947,204.20, 4,420,806.30 and 2,557,480.80

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Solution

The fourth proportional to 2,947,204.20, 4,420,806.30 and 2,557,480.80 is: 3,836,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,204.20 : 4,420,806.30 = 2,557,480.80 : x
  2. Step 2: Convert to fraction form
    2,947,204.20/4,420,806.30 = 2,557,480.80/x
  3. Step 3: Cross multiply
    2,947,204.20x = 4,420,806.30 × 2,557,480.80
  4. Step 4: Simplify right side
    2,947,204.20x = 11,306,127,232,769.04
  5. Step 5: Solve for x
    x = 11,306,127,232,769.04/2,947,204.20
  6. Step 6: Final answer
    x = 3,836,221.20

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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.