Home / 3,884,679.20-5,360,879.76-2,165,906.72

Finding the Fourth Proportional to 3,884,679.20, 5,360,879.76 and 2,165,906.72

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Solution

The fourth proportional to 3,884,679.20, 5,360,879.76 and 2,165,906.72 is: 2,988,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,679.20 : 5,360,879.76 = 2,165,906.72 : x
  2. Step 2: Convert to fraction form
    3,884,679.20/5,360,879.76 = 2,165,906.72/x
  3. Step 3: Cross multiply
    3,884,679.20x = 5,360,879.76 × 2,165,906.72
  4. Step 4: Simplify right side
    3,884,679.20x = 11,611,165,497,295.99
  5. Step 5: Solve for x
    x = 11,611,165,497,295.99/3,884,679.20
  6. Step 6: Final answer
    x = 2,988,963.80

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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.