Home / 2,785,419.59-4,178,129.39-1,838,568.88

Finding the Fourth Proportional to 2,785,419.59, 4,178,129.39 and 1,838,568.88

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Solution

The fourth proportional to 2,785,419.59, 4,178,129.39 and 1,838,568.88 is: 2,757,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,419.59 : 4,178,129.39 = 1,838,568.88 : x
  2. Step 2: Convert to fraction form
    2,785,419.59/4,178,129.39 = 1,838,568.88/x
  3. Step 3: Cross multiply
    2,785,419.59x = 4,178,129.39 × 1,838,568.88
  4. Step 4: Simplify right side
    2,785,419.59x = 7,681,778,673,067.38
  5. Step 5: Solve for x
    x = 7,681,778,673,067.38/2,785,419.59
  6. Step 6: Final answer
    x = 2,757,853.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.