Home / 3,196,820.91-4,794,653.64-921,785.96

Finding the Fourth Proportional to 3,196,820.91, 4,794,653.64 and 921,785.96

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Solution

The fourth proportional to 3,196,820.91, 4,794,653.64 and 921,785.96 is: 1,382,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196,820.91 : 4,794,653.64 = 921,785.96 : x
  2. Step 2: Convert to fraction form
    3,196,820.91/4,794,653.64 = 921,785.96/x
  3. Step 3: Cross multiply
    3,196,820.91x = 4,794,653.64 × 921,785.96
  4. Step 4: Simplify right side
    3,196,820.91x = 4,419,644,408,414.89
  5. Step 5: Solve for x
    x = 4,419,644,408,414.89/3,196,820.91
  6. Step 6: Final answer
    x = 1,382,512.36

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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.