Home / 3,418,312.80-5,121,248.40-2,783,791.20

Finding the Fourth Proportional to 3,418,312.80, 5,121,248.40 and 2,783,791.20

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Solution

The fourth proportional to 3,418,312.80, 5,121,248.40 and 2,783,791.20 is: 4,170,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,312.80 : 5,121,248.40 = 2,783,791.20 : x
  2. Step 2: Convert to fraction form
    3,418,312.80/5,121,248.40 = 2,783,791.20/x
  3. Step 3: Cross multiply
    3,418,312.80x = 5,121,248.40 × 2,783,791.20
  4. Step 4: Simplify right side
    3,418,312.80x = 14,256,486,228,934.08
  5. Step 5: Solve for x
    x = 14,256,486,228,934.08/3,418,312.80
  6. Step 6: Final answer
    x = 4,170,620.73

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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.