Home / 2,098,129.83-3,147,194.73-1,387,991.79

Finding the Fourth Proportional to 2,098,129.83, 3,147,194.73 and 1,387,991.79

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Solution

The fourth proportional to 2,098,129.83, 3,147,194.73 and 1,387,991.79 is: 2,081,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,129.83 : 3,147,194.73 = 1,387,991.79 : x
  2. Step 2: Convert to fraction form
    2,098,129.83/3,147,194.73 = 1,387,991.79/x
  3. Step 3: Cross multiply
    2,098,129.83x = 3,147,194.73 × 1,387,991.79
  4. Step 4: Simplify right side
    2,098,129.83x = 4,368,280,446,771.27
  5. Step 5: Solve for x
    x = 4,368,280,446,771.27/2,098,129.83
  6. Step 6: Final answer
    x = 2,081,987.68

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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.