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Finding the Fourth Proportional to 6,163,608.40, 9,245,412.60 and 2,797,815.40

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Solution

The fourth proportional to 6,163,608.40, 9,245,412.60 and 2,797,815.40 is: 4,196,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163,608.40 : 9,245,412.60 = 2,797,815.40 : x
  2. Step 2: Convert to fraction form
    6,163,608.40/9,245,412.60 = 2,797,815.40/x
  3. Step 3: Cross multiply
    6,163,608.40x = 9,245,412.60 × 2,797,815.40
  4. Step 4: Simplify right side
    6,163,608.40x = 25,866,957,751,634.04
  5. Step 5: Solve for x
    x = 25,866,957,751,634.04/6,163,608.40
  6. Step 6: Final answer
    x = 4,196,723.10

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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.