Home / 5,676,105.78-7,833,208.68-3,228,653.88

Finding the Fourth Proportional to 5,676,105.78, 7,833,208.68 and 3,228,653.88

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Solution

The fourth proportional to 5,676,105.78, 7,833,208.68 and 3,228,653.88 is: 4,455,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,105.78 : 7,833,208.68 = 3,228,653.88 : x
  2. Step 2: Convert to fraction form
    5,676,105.78/7,833,208.68 = 3,228,653.88/x
  3. Step 3: Cross multiply
    5,676,105.78x = 7,833,208.68 × 3,228,653.88
  4. Step 4: Simplify right side
    5,676,105.78x = 25,290,719,597,531.68
  5. Step 5: Solve for x
    x = 25,290,719,597,531.68/5,676,105.78
  6. Step 6: Final answer
    x = 4,455,646.28

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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.