Home / 3,408,587.61-5,108,996.66-2,129,785.53

Finding the Fourth Proportional to 3,408,587.61, 5,108,996.66 and 2,129,785.53

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Solution

The fourth proportional to 3,408,587.61, 5,108,996.66 and 2,129,785.53 is: 3,192,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,587.61 : 5,108,996.66 = 2,129,785.53 : x
  2. Step 2: Convert to fraction form
    3,408,587.61/5,108,996.66 = 2,129,785.53/x
  3. Step 3: Cross multiply
    3,408,587.61x = 5,108,996.66 × 2,129,785.53
  4. Step 4: Simplify right side
    3,408,587.61x = 10,881,067,148,637.40
  5. Step 5: Solve for x
    x = 10,881,067,148,637.40/3,408,587.61
  6. Step 6: Final answer
    x = 3,192,250.98

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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.