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Finding the Fourth Proportional to 5,956,231.60, 8,936,680.20 and 2,170,097.20

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Solution

The fourth proportional to 5,956,231.60, 8,936,680.20 and 2,170,097.20 is: 3,255,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956,231.60 : 8,936,680.20 = 2,170,097.20 : x
  2. Step 2: Convert to fraction form
    5,956,231.60/8,936,680.20 = 2,170,097.20/x
  3. Step 3: Cross multiply
    5,956,231.60x = 8,936,680.20 × 2,170,097.20
  4. Step 4: Simplify right side
    5,956,231.60x = 19,393,464,679,315.44
  5. Step 5: Solve for x
    x = 19,393,464,679,315.44/5,956,231.60
  6. Step 6: Final answer
    x = 3,255,995.73

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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.