Home / 3,988,568.64-5,504,222.52-2,177,732.64

Finding the Fourth Proportional to 3,988,568.64, 5,504,222.52 and 2,177,732.64

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Solution

The fourth proportional to 3,988,568.64, 5,504,222.52 and 2,177,732.64 is: 3,005,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,568.64 : 5,504,222.52 = 2,177,732.64 : x
  2. Step 2: Convert to fraction form
    3,988,568.64/5,504,222.52 = 2,177,732.64/x
  3. Step 3: Cross multiply
    3,988,568.64x = 5,504,222.52 × 2,177,732.64
  4. Step 4: Simplify right side
    3,988,568.64x = 11,986,725,039,627.05
  5. Step 5: Solve for x
    x = 11,986,725,039,627.05/3,988,568.64
  6. Step 6: Final answer
    x = 3,005,269.84

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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.