Home / 2,815,425.52-3,886,794.78-2,202,275.56

Finding the Fourth Proportional to 2,815,425.52, 3,886,794.78 and 2,202,275.56

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Solution

The fourth proportional to 2,815,425.52, 3,886,794.78 and 2,202,275.56 is: 3,040,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,425.52 : 3,886,794.78 = 2,202,275.56 : x
  2. Step 2: Convert to fraction form
    2,815,425.52/3,886,794.78 = 2,202,275.56/x
  3. Step 3: Cross multiply
    2,815,425.52x = 3,886,794.78 × 2,202,275.56
  4. Step 4: Simplify right side
    2,815,425.52x = 8,559,793,150,729.58
  5. Step 5: Solve for x
    x = 8,559,793,150,729.58/2,815,425.52
  6. Step 6: Final answer
    x = 3,040,319.51

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Double scale
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1.5x scale

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.