Home / 5,585,698.62-8,379,204.12-1,991,976.48

Finding the Fourth Proportional to 5,585,698.62, 8,379,204.12 and 1,991,976.48

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Solution

The fourth proportional to 5,585,698.62, 8,379,204.12 and 1,991,976.48 is: 2,988,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585,698.62 : 8,379,204.12 = 1,991,976.48 : x
  2. Step 2: Convert to fraction form
    5,585,698.62/8,379,204.12 = 1,991,976.48/x
  3. Step 3: Cross multiply
    5,585,698.62x = 8,379,204.12 × 1,991,976.48
  4. Step 4: Simplify right side
    5,585,698.62x = 16,691,177,528,159.10
  5. Step 5: Solve for x
    x = 16,691,177,528,159.10/5,585,698.62
  6. Step 6: Final answer
    x = 2,988,198.73

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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.