Home / 1,815,115.80-2,722,673.70-1,619,160.60

Finding the Fourth Proportional to 1,815,115.80, 2,722,673.70 and 1,619,160.60

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Solution

The fourth proportional to 1,815,115.80, 2,722,673.70 and 1,619,160.60 is: 2,428,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,115.80 : 2,722,673.70 = 1,619,160.60 : x
  2. Step 2: Convert to fraction form
    1,815,115.80/2,722,673.70 = 1,619,160.60/x
  3. Step 3: Cross multiply
    1,815,115.80x = 2,722,673.70 × 1,619,160.60
  4. Step 4: Simplify right side
    1,815,115.80x = 4,408,445,981,696.22
  5. Step 5: Solve for x
    x = 4,408,445,981,696.22/1,815,115.80
  6. Step 6: Final answer
    x = 2,428,740.90

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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.