Home / 2,161,188.86-2,982,186.87-1,194,261.49

Finding the Fourth Proportional to 2,161,188.86, 2,982,186.87 and 1,194,261.49

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Solution

The fourth proportional to 2,161,188.86, 2,982,186.87 and 1,194,261.49 is: 1,647,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,188.86 : 2,982,186.87 = 1,194,261.49 : x
  2. Step 2: Convert to fraction form
    2,161,188.86/2,982,186.87 = 1,194,261.49/x
  3. Step 3: Cross multiply
    2,161,188.86x = 2,982,186.87 × 1,194,261.49
  4. Step 4: Simplify right side
    2,161,188.86x = 3,561,510,919,913.70
  5. Step 5: Solve for x
    x = 3,561,510,919,913.70/2,161,188.86
  6. Step 6: Final answer
    x = 1,647,940.62

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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.