Home / 5,325,173.10-7,979,630.79-3,161,938.20

Finding the Fourth Proportional to 5,325,173.10, 7,979,630.79 and 3,161,938.20

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Solution

The fourth proportional to 5,325,173.10, 7,979,630.79 and 3,161,938.20 is: 4,738,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,173.10 : 7,979,630.79 = 3,161,938.20 : x
  2. Step 2: Convert to fraction form
    5,325,173.10/7,979,630.79 = 3,161,938.20/x
  3. Step 3: Cross multiply
    5,325,173.10x = 7,979,630.79 × 3,161,938.20
  4. Step 4: Simplify right side
    5,325,173.10x = 25,231,099,416,797.18
  5. Step 5: Solve for x
    x = 25,231,099,416,797.18/5,325,173.10
  6. Step 6: Final answer
    x = 4,738,080.61

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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.