Home / 3,188,908.56-4,782,381.78-913,823.04

Finding the Fourth Proportional to 3,188,908.56, 4,782,381.78 and 913,823.04

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Solution

The fourth proportional to 3,188,908.56, 4,782,381.78 and 913,823.04 is: 1,370,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,908.56 : 4,782,381.78 = 913,823.04 : x
  2. Step 2: Convert to fraction form
    3,188,908.56/4,782,381.78 = 913,823.04/x
  3. Step 3: Cross multiply
    3,188,908.56x = 4,782,381.78 × 913,823.04
  4. Step 4: Simplify right side
    3,188,908.56x = 4,370,250,656,640.21
  5. Step 5: Solve for x
    x = 4,370,250,656,640.21/3,188,908.56
  6. Step 6: Final answer
    x = 1,370,453.42

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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.