Home / 2,921,086.78-4,031,288.92-1,631,934.12

Finding the Fourth Proportional to 2,921,086.78, 4,031,288.92 and 1,631,934.12

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Solution

The fourth proportional to 2,921,086.78, 4,031,288.92 and 1,631,934.12 is: 2,252,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,086.78 : 4,031,288.92 = 1,631,934.12 : x
  2. Step 2: Convert to fraction form
    2,921,086.78/4,031,288.92 = 1,631,934.12/x
  3. Step 3: Cross multiply
    2,921,086.78x = 4,031,288.92 × 1,631,934.12
  4. Step 4: Simplify right side
    2,921,086.78x = 6,578,797,936,125.95
  5. Step 5: Solve for x
    x = 6,578,797,936,125.95/2,921,086.78
  6. Step 6: Final answer
    x = 2,252,174.77

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