Home / 5,388,631.60-8,082,947.40-2,192,112.40

Finding the Fourth Proportional to 5,388,631.60, 8,082,947.40 and 2,192,112.40

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Solution

The fourth proportional to 5,388,631.60, 8,082,947.40 and 2,192,112.40 is: 3,288,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,631.60 : 8,082,947.40 = 2,192,112.40 : x
  2. Step 2: Convert to fraction form
    5,388,631.60/8,082,947.40 = 2,192,112.40/x
  3. Step 3: Cross multiply
    5,388,631.60x = 8,082,947.40 × 2,192,112.40
  4. Step 4: Simplify right side
    5,388,631.60x = 17,718,729,224,087.76
  5. Step 5: Solve for x
    x = 17,718,729,224,087.76/5,388,631.60
  6. Step 6: Final answer
    x = 3,288,168.60

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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.