Home / 3,182,981.43-4,392,514.83-1,732,687.86

Finding the Fourth Proportional to 3,182,981.43, 4,392,514.83 and 1,732,687.86

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Solution

The fourth proportional to 3,182,981.43, 4,392,514.83 and 1,732,687.86 is: 2,391,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,981.43 : 4,392,514.83 = 1,732,687.86 : x
  2. Step 2: Convert to fraction form
    3,182,981.43/4,392,514.83 = 1,732,687.86/x
  3. Step 3: Cross multiply
    3,182,981.43x = 4,392,514.83 × 1,732,687.86
  4. Step 4: Simplify right side
    3,182,981.43x = 7,610,857,120,810.97
  5. Step 5: Solve for x
    x = 7,610,857,120,810.97/3,182,981.43
  6. Step 6: Final answer
    x = 2,391,109.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.