Home / 2,078,991.20-3,118,924.20-659,190.80

Finding the Fourth Proportional to 2,078,991.20, 3,118,924.20 and 659,190.80

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Solution

The fourth proportional to 2,078,991.20, 3,118,924.20 and 659,190.80 is: 988,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,991.20 : 3,118,924.20 = 659,190.80 : x
  2. Step 2: Convert to fraction form
    2,078,991.20/3,118,924.20 = 659,190.80/x
  3. Step 3: Cross multiply
    2,078,991.20x = 3,118,924.20 × 659,190.80
  4. Step 4: Simplify right side
    2,078,991.20x = 2,055,966,138,537.36
  5. Step 5: Solve for x
    x = 2,055,966,138,537.36/2,078,991.20
  6. Step 6: Final answer
    x = 988,924.89

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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.