Home / 5,179,200.30-7,768,800.45-4,108,445.10

Finding the Fourth Proportional to 5,179,200.30, 7,768,800.45 and 4,108,445.10

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Solution

The fourth proportional to 5,179,200.30, 7,768,800.45 and 4,108,445.10 is: 6,162,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,200.30 : 7,768,800.45 = 4,108,445.10 : x
  2. Step 2: Convert to fraction form
    5,179,200.30/7,768,800.45 = 4,108,445.10/x
  3. Step 3: Cross multiply
    5,179,200.30x = 7,768,800.45 × 4,108,445.10
  4. Step 4: Simplify right side
    5,179,200.30x = 31,917,690,141,680.30
  5. Step 5: Solve for x
    x = 31,917,690,141,680.30/5,179,200.30
  6. Step 6: Final answer
    x = 6,162,667.65

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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.