Home / 5,687,917.12-7,849,517.52-3,109,546.72

Finding the Fourth Proportional to 5,687,917.12, 7,849,517.52 and 3,109,546.72

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Solution

The fourth proportional to 5,687,917.12, 7,849,517.52 and 3,109,546.72 is: 4,291,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687,917.12 : 7,849,517.52 = 3,109,546.72 : x
  2. Step 2: Convert to fraction form
    5,687,917.12/7,849,517.52 = 3,109,546.72/x
  3. Step 3: Cross multiply
    5,687,917.12x = 7,849,517.52 × 3,109,546.72
  4. Step 4: Simplify right side
    5,687,917.12x = 24,408,441,457,898.54
  5. Step 5: Solve for x
    x = 24,408,441,457,898.54/5,687,917.12
  6. Step 6: Final answer
    x = 4,291,279.38

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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.