Home / 5,211,207.40-7,816,422.30-2,177,789.80

Finding the Fourth Proportional to 5,211,207.40, 7,816,422.30 and 2,177,789.80

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Solution

The fourth proportional to 5,211,207.40, 7,816,422.30 and 2,177,789.80 is: 3,266,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,207.40 : 7,816,422.30 = 2,177,789.80 : x
  2. Step 2: Convert to fraction form
    5,211,207.40/7,816,422.30 = 2,177,789.80/x
  3. Step 3: Cross multiply
    5,211,207.40x = 7,816,422.30 × 2,177,789.80
  4. Step 4: Simplify right side
    5,211,207.40x = 17,022,524,757,432.54
  5. Step 5: Solve for x
    x = 17,022,524,757,432.54/5,211,207.40
  6. Step 6: Final answer
    x = 3,266,522.22

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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.