Home / 2,667,915.28-4,001,882.36-646,160.54

Finding the Fourth Proportional to 2,667,915.28, 4,001,882.36 and 646,160.54

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Solution

The fourth proportional to 2,667,915.28, 4,001,882.36 and 646,160.54 is: 969,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,915.28 : 4,001,882.36 = 646,160.54 : x
  2. Step 2: Convert to fraction form
    2,667,915.28/4,001,882.36 = 646,160.54/x
  3. Step 3: Cross multiply
    2,667,915.28x = 4,001,882.36 × 646,160.54
  4. Step 4: Simplify right side
    2,667,915.28x = 2,585,858,466,754.07
  5. Step 5: Solve for x
    x = 2,585,858,466,754.07/2,667,915.28
  6. Step 6: Final answer
    x = 969,243.10

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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.