Home / 2,165,670.57-2,988,589.05-1,198,780.05

Finding the Fourth Proportional to 2,165,670.57, 2,988,589.05 and 1,198,780.05

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Solution

The fourth proportional to 2,165,670.57, 2,988,589.05 and 1,198,780.05 is: 1,654,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,670.57 : 2,988,589.05 = 1,198,780.05 : x
  2. Step 2: Convert to fraction form
    2,165,670.57/2,988,589.05 = 1,198,780.05/x
  3. Step 3: Cross multiply
    2,165,670.57x = 2,988,589.05 × 1,198,780.05
  4. Step 4: Simplify right side
    2,165,670.57x = 3,582,660,930,788.45
  5. Step 5: Solve for x
    x = 3,582,660,930,788.45/2,165,670.57
  6. Step 6: Final answer
    x = 1,654,296.36

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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.