Home / 5,188,614.28-7,787,705.70-2,631,623.80

Finding the Fourth Proportional to 5,188,614.28, 7,787,705.70 and 2,631,623.80

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Solution

The fourth proportional to 5,188,614.28, 7,787,705.70 and 2,631,623.80 is: 3,949,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,614.28 : 7,787,705.70 = 2,631,623.80 : x
  2. Step 2: Convert to fraction form
    5,188,614.28/7,787,705.70 = 2,631,623.80/x
  3. Step 3: Cross multiply
    5,188,614.28x = 7,787,705.70 × 2,631,623.80
  4. Step 4: Simplify right side
    5,188,614.28x = 20,494,311,667,515.66
  5. Step 5: Solve for x
    x = 20,494,311,667,515.66/5,188,614.28
  6. Step 6: Final answer
    x = 3,949,862.25

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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.