Home / 2,679,784.20-4,019,676.30-1,616,902.20

Finding the Fourth Proportional to 2,679,784.20, 4,019,676.30 and 1,616,902.20

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Solution

The fourth proportional to 2,679,784.20, 4,019,676.30 and 1,616,902.20 is: 2,425,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,784.20 : 4,019,676.30 = 1,616,902.20 : x
  2. Step 2: Convert to fraction form
    2,679,784.20/4,019,676.30 = 1,616,902.20/x
  3. Step 3: Cross multiply
    2,679,784.20x = 4,019,676.30 × 1,616,902.20
  4. Step 4: Simplify right side
    2,679,784.20x = 6,499,423,452,757.86
  5. Step 5: Solve for x
    x = 6,499,423,452,757.86/2,679,784.20
  6. Step 6: Final answer
    x = 2,425,353.30

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Double scale
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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.