Home / 2,195,640.40-3,291,905.40-998,136.40

Finding the Fourth Proportional to 2,195,640.40, 3,291,905.40 and 998,136.40

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Solution

The fourth proportional to 2,195,640.40, 3,291,905.40 and 998,136.40 is: 1,496,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,640.40 : 3,291,905.40 = 998,136.40 : x
  2. Step 2: Convert to fraction form
    2,195,640.40/3,291,905.40 = 998,136.40/x
  3. Step 3: Cross multiply
    2,195,640.40x = 3,291,905.40 × 998,136.40
  4. Step 4: Simplify right side
    2,195,640.40x = 3,285,770,605,096.56
  5. Step 5: Solve for x
    x = 3,285,770,605,096.56/2,195,640.40
  6. Step 6: Final answer
    x = 1,496,497.61

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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.