Home / 3,523,786.20-5,285,679.30-2,815,198.20

Finding the Fourth Proportional to 3,523,786.20, 5,285,679.30 and 2,815,198.20

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Solution

The fourth proportional to 3,523,786.20, 5,285,679.30 and 2,815,198.20 is: 4,222,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,786.20 : 5,285,679.30 = 2,815,198.20 : x
  2. Step 2: Convert to fraction form
    3,523,786.20/5,285,679.30 = 2,815,198.20/x
  3. Step 3: Cross multiply
    3,523,786.20x = 5,285,679.30 × 2,815,198.20
  4. Step 4: Simplify right side
    3,523,786.20x = 14,880,234,851,137.26
  5. Step 5: Solve for x
    x = 14,880,234,851,137.26/3,523,786.20
  6. Step 6: Final answer
    x = 4,222,797.30

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Double scale
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Similar ratio
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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.