Home / 2,157,443.40-3,236,165.10-2,129,449.80

Finding the Fourth Proportional to 2,157,443.40, 3,236,165.10 and 2,129,449.80

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Solution

The fourth proportional to 2,157,443.40, 3,236,165.10 and 2,129,449.80 is: 3,194,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,443.40 : 3,236,165.10 = 2,129,449.80 : x
  2. Step 2: Convert to fraction form
    2,157,443.40/3,236,165.10 = 2,129,449.80/x
  3. Step 3: Cross multiply
    2,157,443.40x = 3,236,165.10 × 2,129,449.80
  4. Step 4: Simplify right side
    2,157,443.40x = 6,891,251,124,961.98
  5. Step 5: Solve for x
    x = 6,891,251,124,961.98/2,157,443.40
  6. Step 6: Final answer
    x = 3,194,174.70

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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.