Home / 3,850,063.68-5,313,023.36-2,131,147.20

Finding the Fourth Proportional to 3,850,063.68, 5,313,023.36 and 2,131,147.20

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Solution

The fourth proportional to 3,850,063.68, 5,313,023.36 and 2,131,147.20 is: 2,940,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,063.68 : 5,313,023.36 = 2,131,147.20 : x
  2. Step 2: Convert to fraction form
    3,850,063.68/5,313,023.36 = 2,131,147.20/x
  3. Step 3: Cross multiply
    3,850,063.68x = 5,313,023.36 × 2,131,147.20
  4. Step 4: Simplify right side
    3,850,063.68x = 11,322,834,857,198.59
  5. Step 5: Solve for x
    x = 11,322,834,857,198.59/3,850,063.68
  6. Step 6: Final answer
    x = 2,940,947.42

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1.5x scale

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.