Home / 3,949,408.85-5,448,141.65-2,499,945.21

Finding the Fourth Proportional to 3,949,408.85, 5,448,141.65 and 2,499,945.21

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Solution

The fourth proportional to 3,949,408.85, 5,448,141.65 and 2,499,945.21 is: 3,448,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,408.85 : 5,448,141.65 = 2,499,945.21 : x
  2. Step 2: Convert to fraction form
    3,949,408.85/5,448,141.65 = 2,499,945.21/x
  3. Step 3: Cross multiply
    3,949,408.85x = 5,448,141.65 × 2,499,945.21
  4. Step 4: Simplify right side
    3,949,408.85x = 13,620,055,627,568.86
  5. Step 5: Solve for x
    x = 13,620,055,627,568.86/3,949,408.85
  6. Step 6: Final answer
    x = 3,448,631.47

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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.