Home / 5,135,989.72-7,087,659.42-2,844,147.64

Finding the Fourth Proportional to 5,135,989.72, 7,087,659.42 and 2,844,147.64

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Solution

The fourth proportional to 5,135,989.72, 7,087,659.42 and 2,844,147.64 is: 3,924,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,989.72 : 7,087,659.42 = 2,844,147.64 : x
  2. Step 2: Convert to fraction form
    5,135,989.72/7,087,659.42 = 2,844,147.64/x
  3. Step 3: Cross multiply
    5,135,989.72x = 7,087,659.42 × 2,844,147.64
  4. Step 4: Simplify right side
    5,135,989.72x = 20,158,349,812,516.77
  5. Step 5: Solve for x
    x = 20,158,349,812,516.77/5,135,989.72
  6. Step 6: Final answer
    x = 3,924,920.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.