Home / 3,945,796.20-5,918,694.30-2,670,337.80

Finding the Fourth Proportional to 3,945,796.20, 5,918,694.30 and 2,670,337.80

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Solution

The fourth proportional to 3,945,796.20, 5,918,694.30 and 2,670,337.80 is: 4,005,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,796.20 : 5,918,694.30 = 2,670,337.80 : x
  2. Step 2: Convert to fraction form
    3,945,796.20/5,918,694.30 = 2,670,337.80/x
  3. Step 3: Cross multiply
    3,945,796.20x = 5,918,694.30 × 2,670,337.80
  4. Step 4: Simplify right side
    3,945,796.20x = 15,804,913,115,934.54
  5. Step 5: Solve for x
    x = 15,804,913,115,934.54/3,945,796.20
  6. Step 6: Final answer
    x = 4,005,506.70

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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.