Home / 3,910,997.80-5,859,498.30-3,309,135.40

Finding the Fourth Proportional to 3,910,997.80, 5,859,498.30 and 3,309,135.40

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Solution

The fourth proportional to 3,910,997.80, 5,859,498.30 and 3,309,135.40 is: 4,957,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,997.80 : 5,859,498.30 = 3,309,135.40 : x
  2. Step 2: Convert to fraction form
    3,910,997.80/5,859,498.30 = 3,309,135.40/x
  3. Step 3: Cross multiply
    3,910,997.80x = 5,859,498.30 × 3,309,135.40
  4. Step 4: Simplify right side
    3,910,997.80x = 19,389,873,250,769.82
  5. Step 5: Solve for x
    x = 19,389,873,250,769.82/3,910,997.80
  6. Step 6: Final answer
    x = 4,957,781.68

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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.