Home / 3,169,780.15-4,372,902.45-2,136,910.63

Finding the Fourth Proportional to 3,169,780.15, 4,372,902.45 and 2,136,910.63

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Solution

The fourth proportional to 3,169,780.15, 4,372,902.45 and 2,136,910.63 is: 2,947,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,780.15 : 4,372,902.45 = 2,136,910.63 : x
  2. Step 2: Convert to fraction form
    3,169,780.15/4,372,902.45 = 2,136,910.63/x
  3. Step 3: Cross multiply
    3,169,780.15x = 4,372,902.45 × 2,136,910.63
  4. Step 4: Simplify right side
    3,169,780.15x = 9,344,501,707,493.53
  5. Step 5: Solve for x
    x = 9,344,501,707,493.53/3,169,780.15
  6. Step 6: Final answer
    x = 2,947,996.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.