Home / 3,100,154.58-4,647,722.49-969,141.78

Finding the Fourth Proportional to 3,100,154.58, 4,647,722.49 and 969,141.78

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Solution

The fourth proportional to 3,100,154.58, 4,647,722.49 and 969,141.78 is: 1,452,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,154.58 : 4,647,722.49 = 969,141.78 : x
  2. Step 2: Convert to fraction form
    3,100,154.58/4,647,722.49 = 969,141.78/x
  3. Step 3: Cross multiply
    3,100,154.58x = 4,647,722.49 × 969,141.78
  4. Step 4: Simplify right side
    3,100,154.58x = 4,504,302,046,904.63
  5. Step 5: Solve for x
    x = 4,504,302,046,904.63/3,100,154.58
  6. Step 6: Final answer
    x = 1,452,928.21

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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.