Home / 3,109,693.66-4,288,839.76-2,611,052.80

Finding the Fourth Proportional to 3,109,693.66, 4,288,839.76 and 2,611,052.80

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Solution

The fourth proportional to 3,109,693.66, 4,288,839.76 and 2,611,052.80 is: 3,601,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,693.66 : 4,288,839.76 = 2,611,052.80 : x
  2. Step 2: Convert to fraction form
    3,109,693.66/4,288,839.76 = 2,611,052.80/x
  3. Step 3: Cross multiply
    3,109,693.66x = 4,288,839.76 × 2,611,052.80
  4. Step 4: Simplify right side
    3,109,693.66x = 11,198,387,064,099.33
  5. Step 5: Solve for x
    x = 11,198,387,064,099.33/3,109,693.66
  6. Step 6: Final answer
    x = 3,601,122.26

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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.