Home / 1,446,164.20-2,171,579.10-1,091,578.60

Finding the Fourth Proportional to 1,446,164.20, 2,171,579.10 and 1,091,578.60

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Solution

The fourth proportional to 1,446,164.20, 2,171,579.10 and 1,091,578.60 is: 1,639,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,164.20 : 2,171,579.10 = 1,091,578.60 : x
  2. Step 2: Convert to fraction form
    1,446,164.20/2,171,579.10 = 1,091,578.60/x
  3. Step 3: Cross multiply
    1,446,164.20x = 2,171,579.10 × 1,091,578.60
  4. Step 4: Simplify right side
    1,446,164.20x = 2,370,449,273,767.26
  5. Step 5: Solve for x
    x = 2,370,449,273,767.26/1,446,164.20
  6. Step 6: Final answer
    x = 1,639,128.72

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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.