Home / 3,170,987.38-4,756,311.24-1,121,505.94

Finding the Fourth Proportional to 3,170,987.38, 4,756,311.24 and 1,121,505.94

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Solution

The fourth proportional to 3,170,987.38, 4,756,311.24 and 1,121,505.94 is: 1,682,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,987.38 : 4,756,311.24 = 1,121,505.94 : x
  2. Step 2: Convert to fraction form
    3,170,987.38/4,756,311.24 = 1,121,505.94/x
  3. Step 3: Cross multiply
    3,170,987.38x = 4,756,311.24 × 1,121,505.94
  4. Step 4: Simplify right side
    3,170,987.38x = 5,334,231,308,148.77
  5. Step 5: Solve for x
    x = 5,334,231,308,148.77/3,170,987.38
  6. Step 6: Final answer
    x = 1,682,198.85

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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.