Home / 2,679,145.20-4,018,717.80-995,900.40

Finding the Fourth Proportional to 2,679,145.20, 4,018,717.80 and 995,900.40

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Solution

The fourth proportional to 2,679,145.20, 4,018,717.80 and 995,900.40 is: 1,493,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,145.20 : 4,018,717.80 = 995,900.40 : x
  2. Step 2: Convert to fraction form
    2,679,145.20/4,018,717.80 = 995,900.40/x
  3. Step 3: Cross multiply
    2,679,145.20x = 4,018,717.80 × 995,900.40
  4. Step 4: Simplify right side
    2,679,145.20x = 4,002,242,664,507.12
  5. Step 5: Solve for x
    x = 4,002,242,664,507.12/2,679,145.20
  6. Step 6: Final answer
    x = 1,493,850.60

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Similar ratio
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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.