Home / 1,675,987.20-2,519,229.60-1,644,494.40

Finding the Fourth Proportional to 1,675,987.20, 2,519,229.60 and 1,644,494.40

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Solution

The fourth proportional to 1,675,987.20, 2,519,229.60 and 1,644,494.40 is: 2,471,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,987.20 : 2,519,229.60 = 1,644,494.40 : x
  2. Step 2: Convert to fraction form
    1,675,987.20/2,519,229.60 = 1,644,494.40/x
  3. Step 3: Cross multiply
    1,675,987.20x = 2,519,229.60 × 1,644,494.40
  4. Step 4: Simplify right side
    1,675,987.20x = 4,142,858,969,514.24
  5. Step 5: Solve for x
    x = 4,142,858,969,514.24/1,675,987.20
  6. Step 6: Final answer
    x = 2,471,891.77

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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.