Home / 3,588,449-4,952,179.20-1,956,945.78

Finding the Fourth Proportional to 3,588,449, 4,952,179.20 and 1,956,945.78

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Solution

The fourth proportional to 3,588,449, 4,952,179.20 and 1,956,945.78 is: 2,700,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588,449 : 4,952,179.20 = 1,956,945.78 : x
  2. Step 2: Convert to fraction form
    3,588,449/4,952,179.20 = 1,956,945.78/x
  3. Step 3: Cross multiply
    3,588,449x = 4,952,179.20 × 1,956,945.78
  4. Step 4: Simplify right side
    3,588,449x = 9,691,146,187,243.78
  5. Step 5: Solve for x
    x = 9,691,146,187,243.78/3,588,449
  6. Step 6: Final answer
    x = 2,700,650.39

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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.