Home / 3,850,422.78-5,311,915.47-2,321,680.62

Finding the Fourth Proportional to 3,850,422.78, 5,311,915.47 and 2,321,680.62

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Solution

The fourth proportional to 3,850,422.78, 5,311,915.47 and 2,321,680.62 is: 3,202,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,422.78 : 5,311,915.47 = 2,321,680.62 : x
  2. Step 2: Convert to fraction form
    3,850,422.78/5,311,915.47 = 2,321,680.62/x
  3. Step 3: Cross multiply
    3,850,422.78x = 5,311,915.47 × 2,321,680.62
  4. Step 4: Simplify right side
    3,850,422.78x = 12,332,571,201,777.19
  5. Step 5: Solve for x
    x = 12,332,571,201,777.19/3,850,422.78
  6. Step 6: Final answer
    x = 3,202,913.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.