Home / 1,968,940.35-2,717,356.82-1,243,753.11

Finding the Fourth Proportional to 1,968,940.35, 2,717,356.82 and 1,243,753.11

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Solution

The fourth proportional to 1,968,940.35, 2,717,356.82 and 1,243,753.11 is: 1,716,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,940.35 : 2,717,356.82 = 1,243,753.11 : x
  2. Step 2: Convert to fraction form
    1,968,940.35/2,717,356.82 = 1,243,753.11/x
  3. Step 3: Cross multiply
    1,968,940.35x = 2,717,356.82 × 1,243,753.11
  4. Step 4: Simplify right side
    1,968,940.35x = 3,379,720,989,635.95
  5. Step 5: Solve for x
    x = 3,379,720,989,635.95/1,968,940.35
  6. Step 6: Final answer
    x = 1,716,517.71

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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.