Home / 2,786,910.20-4,180,371.83-765,181.79

Finding the Fourth Proportional to 2,786,910.20, 4,180,371.83 and 765,181.79

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Solution

The fourth proportional to 2,786,910.20, 4,180,371.83 and 765,181.79 is: 1,147,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,910.20 : 4,180,371.83 = 765,181.79 : x
  2. Step 2: Convert to fraction form
    2,786,910.20/4,180,371.83 = 765,181.79/x
  3. Step 3: Cross multiply
    2,786,910.20x = 4,180,371.83 × 765,181.79
  4. Step 4: Simplify right side
    2,786,910.20x = 3,198,744,393,563.03
  5. Step 5: Solve for x
    x = 3,198,744,393,563.03/2,786,910.20
  6. Step 6: Final answer
    x = 1,147,774.48

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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.