Home / 1,665,987.22-2,498,663.04-812,201.86

Finding the Fourth Proportional to 1,665,987.22, 2,498,663.04 and 812,201.86

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Solution

The fourth proportional to 1,665,987.22, 2,498,663.04 and 812,201.86 is: 1,218,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,987.22 : 2,498,663.04 = 812,201.86 : x
  2. Step 2: Convert to fraction form
    1,665,987.22/2,498,663.04 = 812,201.86/x
  3. Step 3: Cross multiply
    1,665,987.22x = 2,498,663.04 × 812,201.86
  4. Step 4: Simplify right side
    1,665,987.22x = 2,029,418,768,601.25
  5. Step 5: Solve for x
    x = 2,029,418,768,601.25/1,665,987.22
  6. Step 6: Final answer
    x = 1,218,147.86

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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.