Home / 4,979,286.40-7,469,851.20-1,613,603.20

Finding the Fourth Proportional to 4,979,286.40, 7,469,851.20 and 1,613,603.20

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Solution

The fourth proportional to 4,979,286.40, 7,469,851.20 and 1,613,603.20 is: 2,420,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,286.40 : 7,469,851.20 = 1,613,603.20 : x
  2. Step 2: Convert to fraction form
    4,979,286.40/7,469,851.20 = 1,613,603.20/x
  3. Step 3: Cross multiply
    4,979,286.40x = 7,469,851.20 × 1,613,603.20
  4. Step 4: Simplify right side
    4,979,286.40x = 12,053,375,799,843.84
  5. Step 5: Solve for x
    x = 12,053,375,799,843.84/4,979,286.40
  6. Step 6: Final answer
    x = 2,420,703.46

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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.