Home / 2,078,494.60-3,117,839.10-658,661.80

Finding the Fourth Proportional to 2,078,494.60, 3,117,839.10 and 658,661.80

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Solution

The fourth proportional to 2,078,494.60, 3,117,839.10 and 658,661.80 is: 988,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,494.60 : 3,117,839.10 = 658,661.80 : x
  2. Step 2: Convert to fraction form
    2,078,494.60/3,117,839.10 = 658,661.80/x
  3. Step 3: Cross multiply
    2,078,494.60x = 3,117,839.10 × 658,661.80
  4. Step 4: Simplify right side
    2,078,494.60x = 2,053,601,513,716.38
  5. Step 5: Solve for x
    x = 2,053,601,513,716.38/2,078,494.60
  6. Step 6: Final answer
    x = 988,023.50

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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.