Home / 3,449,671.20-5,176,475.10-1,321,282.80

Finding the Fourth Proportional to 3,449,671.20, 5,176,475.10 and 1,321,282.80

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Solution

The fourth proportional to 3,449,671.20, 5,176,475.10 and 1,321,282.80 is: 1,982,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,671.20 : 5,176,475.10 = 1,321,282.80 : x
  2. Step 2: Convert to fraction form
    3,449,671.20/5,176,475.10 = 1,321,282.80/x
  3. Step 3: Cross multiply
    3,449,671.20x = 5,176,475.10 × 1,321,282.80
  4. Step 4: Simplify right side
    3,449,671.20x = 6,839,587,514,258.28
  5. Step 5: Solve for x
    x = 6,839,587,514,258.28/3,449,671.20
  6. Step 6: Final answer
    x = 1,982,678.09

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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.