Home / 3,930,746.16-5,422,505.40-2,400,204.72

Finding the Fourth Proportional to 3,930,746.16, 5,422,505.40 and 2,400,204.72

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Solution

The fourth proportional to 3,930,746.16, 5,422,505.40 and 2,400,204.72 is: 3,311,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,746.16 : 5,422,505.40 = 2,400,204.72 : x
  2. Step 2: Convert to fraction form
    3,930,746.16/5,422,505.40 = 2,400,204.72/x
  3. Step 3: Cross multiply
    3,930,746.16x = 5,422,505.40 × 2,400,204.72
  4. Step 4: Simplify right side
    3,930,746.16x = 13,015,123,055,305.49
  5. Step 5: Solve for x
    x = 13,015,123,055,305.49/3,930,746.16
  6. Step 6: Final answer
    x = 3,311,107.49

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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.