Home / 2,786,920.72-4,180,387.60-765,192.30

Finding the Fourth Proportional to 2,786,920.72, 4,180,387.60 and 765,192.30

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Solution

The fourth proportional to 2,786,920.72, 4,180,387.60 and 765,192.30 is: 1,147,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,920.72 : 4,180,387.60 = 765,192.30 : x
  2. Step 2: Convert to fraction form
    2,786,920.72/4,180,387.60 = 765,192.30/x
  3. Step 3: Cross multiply
    2,786,920.72x = 4,180,387.60 × 765,192.30
  4. Step 4: Simplify right side
    2,786,920.72x = 3,198,800,402,535.48
  5. Step 5: Solve for x
    x = 3,198,800,402,535.48/2,786,920.72
  6. Step 6: Final answer
    x = 1,147,790.24

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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.