Home / 3,856,849.71-5,322,495.84-2,203,215.75

Finding the Fourth Proportional to 3,856,849.71, 5,322,495.84 and 2,203,215.75

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Solution

The fourth proportional to 3,856,849.71, 5,322,495.84 and 2,203,215.75 is: 3,040,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,849.71 : 5,322,495.84 = 2,203,215.75 : x
  2. Step 2: Convert to fraction form
    3,856,849.71/5,322,495.84 = 2,203,215.75/x
  3. Step 3: Cross multiply
    3,856,849.71x = 5,322,495.84 × 2,203,215.75
  4. Step 4: Simplify right side
    3,856,849.71x = 11,726,606,663,997.48
  5. Step 5: Solve for x
    x = 11,726,606,663,997.48/3,856,849.71
  6. Step 6: Final answer
    x = 3,040,462.44

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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.