Home / 2,667,912.78-4,001,878.60-646,158.04

Finding the Fourth Proportional to 2,667,912.78, 4,001,878.60 and 646,158.04

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Solution

The fourth proportional to 2,667,912.78, 4,001,878.60 and 646,158.04 is: 969,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,912.78 : 4,001,878.60 = 646,158.04 : x
  2. Step 2: Convert to fraction form
    2,667,912.78/4,001,878.60 = 646,158.04/x
  3. Step 3: Cross multiply
    2,667,912.78x = 4,001,878.60 × 646,158.04
  4. Step 4: Simplify right side
    2,667,912.78x = 2,585,846,032,493.94
  5. Step 5: Solve for x
    x = 2,585,846,032,493.94/2,667,912.78
  6. Step 6: Final answer
    x = 969,239.34

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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.