Home / 3,181,933.38-4,391,167.67-1,805,335.13

Finding the Fourth Proportional to 3,181,933.38, 4,391,167.67 and 1,805,335.13

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Solution

The fourth proportional to 3,181,933.38, 4,391,167.67 and 1,805,335.13 is: 2,491,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,933.38 : 4,391,167.67 = 1,805,335.13 : x
  2. Step 2: Convert to fraction form
    3,181,933.38/4,391,167.67 = 1,805,335.13/x
  3. Step 3: Cross multiply
    3,181,933.38x = 4,391,167.67 × 1,805,335.13
  4. Step 4: Simplify right side
    3,181,933.38x = 7,927,529,225,388.73
  5. Step 5: Solve for x
    x = 7,927,529,225,388.73/3,181,933.38
  6. Step 6: Final answer
    x = 2,491,418.98

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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.