Home / 6,446,976.30-9,667,136.10-1,897,434

Finding the Fourth Proportional to 6,446,976.30, 9,667,136.10 and 1,897,434

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Solution

The fourth proportional to 6,446,976.30, 9,667,136.10 and 1,897,434 is: 2,845,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,976.30 : 9,667,136.10 = 1,897,434 : x
  2. Step 2: Convert to fraction form
    6,446,976.30/9,667,136.10 = 1,897,434/x
  3. Step 3: Cross multiply
    6,446,976.30x = 9,667,136.10 × 1,897,434
  4. Step 4: Simplify right side
    6,446,976.30x = 18,342,752,718,767.40
  5. Step 5: Solve for x
    x = 18,342,752,718,767.40/6,446,976.30
  6. Step 6: Final answer
    x = 2,845,171.42

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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.