Home / 3,879,167.36-5,352,867.79-2,160,447.80

Finding the Fourth Proportional to 3,879,167.36, 5,352,867.79 and 2,160,447.80

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Solution

The fourth proportional to 3,879,167.36, 5,352,867.79 and 2,160,447.80 is: 2,981,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,167.36 : 5,352,867.79 = 2,160,447.80 : x
  2. Step 2: Convert to fraction form
    3,879,167.36/5,352,867.79 = 2,160,447.80/x
  3. Step 3: Cross multiply
    3,879,167.36x = 5,352,867.79 × 2,160,447.80
  4. Step 4: Simplify right side
    3,879,167.36x = 11,564,591,408,430.90
  5. Step 5: Solve for x
    x = 11,564,591,408,430.90/3,879,167.36
  6. Step 6: Final answer
    x = 2,981,204.56

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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.