Home / 2,530,147.80-3,491,643.33-1,384,247.28

Finding the Fourth Proportional to 2,530,147.80, 3,491,643.33 and 1,384,247.28

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Solution

The fourth proportional to 2,530,147.80, 3,491,643.33 and 1,384,247.28 is: 1,910,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,147.80 : 3,491,643.33 = 1,384,247.28 : x
  2. Step 2: Convert to fraction form
    2,530,147.80/3,491,643.33 = 1,384,247.28/x
  3. Step 3: Cross multiply
    2,530,147.80x = 3,491,643.33 × 1,384,247.28
  4. Step 4: Simplify right side
    2,530,147.80x = 4,833,297,782,282.64
  5. Step 5: Solve for x
    x = 4,833,297,782,282.64/2,530,147.80
  6. Step 6: Final answer
    x = 1,910,282.78

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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.