Home / 5,079,028.55-7,008,714.33-2,787,336.86

Finding the Fourth Proportional to 5,079,028.55, 7,008,714.33 and 2,787,336.86

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Solution

The fourth proportional to 5,079,028.55, 7,008,714.33 and 2,787,336.86 is: 3,846,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,028.55 : 7,008,714.33 = 2,787,336.86 : x
  2. Step 2: Convert to fraction form
    5,079,028.55/7,008,714.33 = 2,787,336.86/x
  3. Step 3: Cross multiply
    5,079,028.55x = 7,008,714.33 × 2,787,336.86
  4. Step 4: Simplify right side
    5,079,028.55x = 19,535,647,800,288.48
  5. Step 5: Solve for x
    x = 19,535,647,800,288.48/5,079,028.55
  6. Step 6: Final answer
    x = 3,846,335.49

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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.