Home / 2,895,107.55-4,342,697.78-765,172.86

Finding the Fourth Proportional to 2,895,107.55, 4,342,697.78 and 765,172.86

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Solution

The fourth proportional to 2,895,107.55, 4,342,697.78 and 765,172.86 is: 1,147,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,107.55 : 4,342,697.78 = 765,172.86 : x
  2. Step 2: Convert to fraction form
    2,895,107.55/4,342,697.78 = 765,172.86/x
  3. Step 3: Cross multiply
    2,895,107.55x = 4,342,697.78 × 765,172.86
  4. Step 4: Simplify right side
    2,895,107.55x = 3,322,914,476,612.39
  5. Step 5: Solve for x
    x = 3,322,914,476,612.39/2,895,107.55
  6. Step 6: Final answer
    x = 1,147,768.92

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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.