Home / 1,515,758.48-2,091,249.95-1,080,244.43

Finding the Fourth Proportional to 1,515,758.48, 2,091,249.95 and 1,080,244.43

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Solution

The fourth proportional to 1,515,758.48, 2,091,249.95 and 1,080,244.43 is: 1,490,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,758.48 : 2,091,249.95 = 1,080,244.43 : x
  2. Step 2: Convert to fraction form
    1,515,758.48/2,091,249.95 = 1,080,244.43/x
  3. Step 3: Cross multiply
    1,515,758.48x = 2,091,249.95 × 1,080,244.43
  4. Step 4: Simplify right side
    1,515,758.48x = 2,259,061,120,049.65
  5. Step 5: Solve for x
    x = 2,259,061,120,049.65/1,515,758.48
  6. Step 6: Final answer
    x = 1,490,383.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.