Home / 2,753,009.70-4,129,514.55-2,186,139.30

Finding the Fourth Proportional to 2,753,009.70, 4,129,514.55 and 2,186,139.30

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Solution

The fourth proportional to 2,753,009.70, 4,129,514.55 and 2,186,139.30 is: 3,279,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,009.70 : 4,129,514.55 = 2,186,139.30 : x
  2. Step 2: Convert to fraction form
    2,753,009.70/4,129,514.55 = 2,186,139.30/x
  3. Step 3: Cross multiply
    2,753,009.70x = 4,129,514.55 × 2,186,139.30
  4. Step 4: Simplify right side
    2,753,009.70x = 9,027,694,047,676.82
  5. Step 5: Solve for x
    x = 9,027,694,047,676.82/2,753,009.70
  6. Step 6: Final answer
    x = 3,279,208.95

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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.