Home / 2,770,387.20-4,150,915.20-2,602,425.60

Finding the Fourth Proportional to 2,770,387.20, 4,150,915.20 and 2,602,425.60

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Solution

The fourth proportional to 2,770,387.20, 4,150,915.20 and 2,602,425.60 is: 3,899,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,387.20 : 4,150,915.20 = 2,602,425.60 : x
  2. Step 2: Convert to fraction form
    2,770,387.20/4,150,915.20 = 2,602,425.60/x
  3. Step 3: Cross multiply
    2,770,387.20x = 4,150,915.20 × 2,602,425.60
  4. Step 4: Simplify right side
    2,770,387.20x = 10,802,447,979,909.12
  5. Step 5: Solve for x
    x = 10,802,447,979,909.12/2,770,387.20
  6. Step 6: Final answer
    x = 3,899,255.66

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1.5x scale

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.