Home / 5,388,660.60-8,082,990.90-2,192,141.40

Finding the Fourth Proportional to 5,388,660.60, 8,082,990.90 and 2,192,141.40

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Solution

The fourth proportional to 5,388,660.60, 8,082,990.90 and 2,192,141.40 is: 3,288,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,660.60 : 8,082,990.90 = 2,192,141.40 : x
  2. Step 2: Convert to fraction form
    5,388,660.60/8,082,990.90 = 2,192,141.40/x
  3. Step 3: Cross multiply
    5,388,660.60x = 8,082,990.90 × 2,192,141.40
  4. Step 4: Simplify right side
    5,388,660.60x = 17,719,058,987,713.26
  5. Step 5: Solve for x
    x = 17,719,058,987,713.26/5,388,660.60
  6. Step 6: Final answer
    x = 3,288,212.10

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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.