Home / 3,855,131.88-5,322,500.19-2,480,863.28

Finding the Fourth Proportional to 3,855,131.88, 5,322,500.19 and 2,480,863.28

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Solution

The fourth proportional to 3,855,131.88, 5,322,500.19 and 2,480,863.28 is: 3,425,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,131.88 : 5,322,500.19 = 2,480,863.28 : x
  2. Step 2: Convert to fraction form
    3,855,131.88/5,322,500.19 = 2,480,863.28/x
  3. Step 3: Cross multiply
    3,855,131.88x = 5,322,500.19 × 2,480,863.28
  4. Step 4: Simplify right side
    3,855,131.88x = 13,204,395,279,164.02
  5. Step 5: Solve for x
    x = 13,204,395,279,164.02/3,855,131.88
  6. Step 6: Final answer
    x = 3,425,147.49

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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.