Home / 3,855,230.58-5,320,249.68-2,136,379.80

Finding the Fourth Proportional to 3,855,230.58, 5,320,249.68 and 2,136,379.80

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Solution

The fourth proportional to 3,855,230.58, 5,320,249.68 and 2,136,379.80 is: 2,948,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,230.58 : 5,320,249.68 = 2,136,379.80 : x
  2. Step 2: Convert to fraction form
    3,855,230.58/5,320,249.68 = 2,136,379.80/x
  3. Step 3: Cross multiply
    3,855,230.58x = 5,320,249.68 × 2,136,379.80
  4. Step 4: Simplify right side
    3,855,230.58x = 11,366,073,947,308.46
  5. Step 5: Solve for x
    x = 11,366,073,947,308.46/3,855,230.58
  6. Step 6: Final answer
    x = 2,948,221.57

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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.