Home / 2,081,464.20-3,121,418.70-1,448,497.80

Finding the Fourth Proportional to 2,081,464.20, 3,121,418.70 and 1,448,497.80

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Solution

The fourth proportional to 2,081,464.20, 3,121,418.70 and 1,448,497.80 is: 2,172,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,464.20 : 3,121,418.70 = 1,448,497.80 : x
  2. Step 2: Convert to fraction form
    2,081,464.20/3,121,418.70 = 1,448,497.80/x
  3. Step 3: Cross multiply
    2,081,464.20x = 3,121,418.70 × 1,448,497.80
  4. Step 4: Simplify right side
    2,081,464.20x = 4,521,368,119,828.86
  5. Step 5: Solve for x
    x = 4,521,368,119,828.86/2,081,464.20
  6. Step 6: Final answer
    x = 2,172,205.57

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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.