Home / 2,076,911.20-3,115,658.40-656,819.20

Finding the Fourth Proportional to 2,076,911.20, 3,115,658.40 and 656,819.20

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Solution

The fourth proportional to 2,076,911.20, 3,115,658.40 and 656,819.20 is: 985,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,911.20 : 3,115,658.40 = 656,819.20 : x
  2. Step 2: Convert to fraction form
    2,076,911.20/3,115,658.40 = 656,819.20/x
  3. Step 3: Cross multiply
    2,076,911.20x = 3,115,658.40 × 656,819.20
  4. Step 4: Simplify right side
    2,076,911.20x = 2,046,424,257,761.28
  5. Step 5: Solve for x
    x = 2,046,424,257,761.28/2,076,911.20
  6. Step 6: Final answer
    x = 985,321.02

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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.