Home / 2,379,778.11-3,561,773.13-2,167,037.64

Finding the Fourth Proportional to 2,379,778.11, 3,561,773.13 and 2,167,037.64

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Solution

The fourth proportional to 2,379,778.11, 3,561,773.13 and 2,167,037.64 is: 3,243,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,778.11 : 3,561,773.13 = 2,167,037.64 : x
  2. Step 2: Convert to fraction form
    2,379,778.11/3,561,773.13 = 2,167,037.64/x
  3. Step 3: Cross multiply
    2,379,778.11x = 3,561,773.13 × 2,167,037.64
  4. Step 4: Simplify right side
    2,379,778.11x = 7,718,496,437,850.61
  5. Step 5: Solve for x
    x = 7,718,496,437,850.61/2,379,778.11
  6. Step 6: Final answer
    x = 3,243,368.11

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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.