Home / 4,782,579.82-7,175,418.87-2,863,190.86

Finding the Fourth Proportional to 4,782,579.82, 7,175,418.87 and 2,863,190.86

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Solution

The fourth proportional to 4,782,579.82, 7,175,418.87 and 2,863,190.86 is: 4,295,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,579.82 : 7,175,418.87 = 2,863,190.86 : x
  2. Step 2: Convert to fraction form
    4,782,579.82/7,175,418.87 = 2,863,190.86/x
  3. Step 3: Cross multiply
    4,782,579.82x = 7,175,418.87 × 2,863,190.86
  4. Step 4: Simplify right side
    4,782,579.82x = 20,544,593,725,255.53
  5. Step 5: Solve for x
    x = 20,544,593,725,255.53/4,782,579.82
  6. Step 6: Final answer
    x = 4,295,713.71

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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.