Home / 2,183,661.10-3,275,491.65-1,987,705.90

Finding the Fourth Proportional to 2,183,661.10, 3,275,491.65 and 1,987,705.90

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Solution

The fourth proportional to 2,183,661.10, 3,275,491.65 and 1,987,705.90 is: 2,981,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,661.10 : 3,275,491.65 = 1,987,705.90 : x
  2. Step 2: Convert to fraction form
    2,183,661.10/3,275,491.65 = 1,987,705.90/x
  3. Step 3: Cross multiply
    2,183,661.10x = 3,275,491.65 × 1,987,705.90
  4. Step 4: Simplify right side
    2,183,661.10x = 6,510,714,078,105.74
  5. Step 5: Solve for x
    x = 6,510,714,078,105.74/2,183,661.10
  6. Step 6: Final answer
    x = 2,981,558.85

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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.