Home / 3,857,033.12-5,322,346.96-2,138,007.20

Finding the Fourth Proportional to 3,857,033.12, 5,322,346.96 and 2,138,007.20

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Solution

The fourth proportional to 3,857,033.12, 5,322,346.96 and 2,138,007.20 is: 2,950,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,033.12 : 5,322,346.96 = 2,138,007.20 : x
  2. Step 2: Convert to fraction form
    3,857,033.12/5,322,346.96 = 2,138,007.20/x
  3. Step 3: Cross multiply
    3,857,033.12x = 5,322,346.96 × 2,138,007.20
  4. Step 4: Simplify right side
    3,857,033.12x = 11,379,216,121,378.11
  5. Step 5: Solve for x
    x = 11,379,216,121,378.11/3,857,033.12
  6. Step 6: Final answer
    x = 2,950,251.08

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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.