Home / 3,890,761.09-5,368,542.45-2,732,745.67

Finding the Fourth Proportional to 3,890,761.09, 5,368,542.45 and 2,732,745.67

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Solution

The fourth proportional to 3,890,761.09, 5,368,542.45 and 2,732,745.67 is: 3,770,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,761.09 : 5,368,542.45 = 2,732,745.67 : x
  2. Step 2: Convert to fraction form
    3,890,761.09/5,368,542.45 = 2,732,745.67/x
  3. Step 3: Cross multiply
    3,890,761.09x = 5,368,542.45 × 2,732,745.67
  4. Step 4: Simplify right side
    3,890,761.09x = 14,670,861,134,448.69
  5. Step 5: Solve for x
    x = 14,670,861,134,448.69/3,890,761.09
  6. Step 6: Final answer
    x = 3,770,691.85

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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.