Home / 3,178,745.76-4,388,294.54-2,451,961.92

Finding the Fourth Proportional to 3,178,745.76, 4,388,294.54 and 2,451,961.92

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Solution

The fourth proportional to 3,178,745.76, 4,388,294.54 and 2,451,961.92 is: 3,384,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,745.76 : 4,388,294.54 = 2,451,961.92 : x
  2. Step 2: Convert to fraction form
    3,178,745.76/4,388,294.54 = 2,451,961.92/x
  3. Step 3: Cross multiply
    3,178,745.76x = 4,388,294.54 × 2,451,961.92
  4. Step 4: Simplify right side
    3,178,745.76x = 10,759,931,093,564.11
  5. Step 5: Solve for x
    x = 10,759,931,093,564.11/3,178,745.76
  6. Step 6: Final answer
    x = 3,384,961.21

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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.