Home / 5,135,356.10-7,086,704.78-2,843,467.58

Finding the Fourth Proportional to 5,135,356.10, 7,086,704.78 and 2,843,467.58

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Solution

The fourth proportional to 5,135,356.10, 7,086,704.78 and 2,843,467.58 is: 3,923,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,356.10 : 7,086,704.78 = 2,843,467.58 : x
  2. Step 2: Convert to fraction form
    5,135,356.10/7,086,704.78 = 2,843,467.58/x
  3. Step 3: Cross multiply
    5,135,356.10x = 7,086,704.78 × 2,843,467.58
  4. Step 4: Simplify right side
    5,135,356.10x = 20,150,815,315,786.46
  5. Step 5: Solve for x
    x = 20,150,815,315,786.46/5,135,356.10
  6. Step 6: Final answer
    x = 3,923,937.29

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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.