Home / 2,786,911.70-4,180,374.08-765,183.29

Finding the Fourth Proportional to 2,786,911.70, 4,180,374.08 and 765,183.29

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Solution

The fourth proportional to 2,786,911.70, 4,180,374.08 and 765,183.29 is: 1,147,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,911.70 : 4,180,374.08 = 765,183.29 : x
  2. Step 2: Convert to fraction form
    2,786,911.70/4,180,374.08 = 765,183.29/x
  3. Step 3: Cross multiply
    2,786,911.70x = 4,180,374.08 × 765,183.29
  4. Step 4: Simplify right side
    2,786,911.70x = 3,198,752,367,237.34
  5. Step 5: Solve for x
    x = 3,198,752,367,237.34/2,786,911.70
  6. Step 6: Final answer
    x = 1,147,776.72

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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.