Home / 2,786,917.56-4,180,389.30-765,189.96

Finding the Fourth Proportional to 2,786,917.56, 4,180,389.30 and 765,189.96

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Solution

The fourth proportional to 2,786,917.56, 4,180,389.30 and 765,189.96 is: 1,147,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,917.56 : 4,180,389.30 = 765,189.96 : x
  2. Step 2: Convert to fraction form
    2,786,917.56/4,180,389.30 = 765,189.96/x
  3. Step 3: Cross multiply
    2,786,917.56x = 4,180,389.30 × 765,189.96
  4. Step 4: Simplify right side
    2,786,917.56x = 3,198,791,921,251.43
  5. Step 5: Solve for x
    x = 3,198,791,921,251.43/2,786,917.56
  6. Step 6: Final answer
    x = 1,147,788.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.