Home / 3,380,246.64-5,070,378.60-855,902.16

Finding the Fourth Proportional to 3,380,246.64, 5,070,378.60 and 855,902.16

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Solution

The fourth proportional to 3,380,246.64, 5,070,378.60 and 855,902.16 is: 1,283,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,246.64 : 5,070,378.60 = 855,902.16 : x
  2. Step 2: Convert to fraction form
    3,380,246.64/5,070,378.60 = 855,902.16/x
  3. Step 3: Cross multiply
    3,380,246.64x = 5,070,378.60 × 855,902.16
  4. Step 4: Simplify right side
    3,380,246.64x = 4,339,747,995,757.78
  5. Step 5: Solve for x
    x = 4,339,747,995,757.78/3,380,246.64
  6. Step 6: Final answer
    x = 1,283,855.43

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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.