Home / 2,915,775.38-4,373,367.78-786,074.78

Finding the Fourth Proportional to 2,915,775.38, 4,373,367.78 and 786,074.78

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Solution

The fourth proportional to 2,915,775.38, 4,373,367.78 and 786,074.78 is: 1,179,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,775.38 : 4,373,367.78 = 786,074.78 : x
  2. Step 2: Convert to fraction form
    2,915,775.38/4,373,367.78 = 786,074.78/x
  3. Step 3: Cross multiply
    2,915,775.38x = 4,373,367.78 × 786,074.78
  4. Step 4: Simplify right side
    2,915,775.38x = 3,437,794,131,922.72
  5. Step 5: Solve for x
    x = 3,437,794,131,922.72/2,915,775.38
  6. Step 6: Final answer
    x = 1,179,032.57

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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.