Home / 3,855,169.46-5,320,165.11-2,136,318.68

Finding the Fourth Proportional to 3,855,169.46, 5,320,165.11 and 2,136,318.68

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Solution

The fourth proportional to 3,855,169.46, 5,320,165.11 and 2,136,318.68 is: 2,948,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,169.46 : 5,320,165.11 = 2,136,318.68 : x
  2. Step 2: Convert to fraction form
    3,855,169.46/5,320,165.11 = 2,136,318.68/x
  3. Step 3: Cross multiply
    3,855,169.46x = 5,320,165.11 × 2,136,318.68
  4. Step 4: Simplify right side
    3,855,169.46x = 11,365,568,105,177.26
  5. Step 5: Solve for x
    x = 11,365,568,105,177.26/3,855,169.46
  6. Step 6: Final answer
    x = 2,948,137.10

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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.