Home / 2,430,102.80-3,644,279.40-1,231,626.80

Finding the Fourth Proportional to 2,430,102.80, 3,644,279.40 and 1,231,626.80

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Solution

The fourth proportional to 2,430,102.80, 3,644,279.40 and 1,231,626.80 is: 1,846,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,102.80 : 3,644,279.40 = 1,231,626.80 : x
  2. Step 2: Convert to fraction form
    2,430,102.80/3,644,279.40 = 1,231,626.80/x
  3. Step 3: Cross multiply
    2,430,102.80x = 3,644,279.40 × 1,231,626.80
  4. Step 4: Simplify right side
    2,430,102.80x = 4,488,392,175,727.92
  5. Step 5: Solve for x
    x = 4,488,392,175,727.92/2,430,102.80
  6. Step 6: Final answer
    x = 1,846,996.83

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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.