Home / 2,161,056.44-2,982,258.91-1,194,186.71

Finding the Fourth Proportional to 2,161,056.44, 2,982,258.91 and 1,194,186.71

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Solution

The fourth proportional to 2,161,056.44, 2,982,258.91 and 1,194,186.71 is: 1,647,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,056.44 : 2,982,258.91 = 1,194,186.71 : x
  2. Step 2: Convert to fraction form
    2,161,056.44/2,982,258.91 = 1,194,186.71/x
  3. Step 3: Cross multiply
    2,161,056.44x = 2,982,258.91 × 1,194,186.71
  4. Step 4: Simplify right side
    2,161,056.44x = 3,561,373,965,049.47
  5. Step 5: Solve for x
    x = 3,561,373,965,049.47/2,161,056.44
  6. Step 6: Final answer
    x = 1,647,978.23

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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.