Home / 5,285,336.62-7,929,185.91-1,691,319.24

Finding the Fourth Proportional to 5,285,336.62, 7,929,185.91 and 1,691,319.24

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Solution

The fourth proportional to 5,285,336.62, 7,929,185.91 and 1,691,319.24 is: 2,537,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,336.62 : 7,929,185.91 = 1,691,319.24 : x
  2. Step 2: Convert to fraction form
    5,285,336.62/7,929,185.91 = 1,691,319.24/x
  3. Step 3: Cross multiply
    5,285,336.62x = 7,929,185.91 × 1,691,319.24
  4. Step 4: Simplify right side
    5,285,336.62x = 13,410,784,687,119.91
  5. Step 5: Solve for x
    x = 13,410,784,687,119.91/5,285,336.62
  6. Step 6: Final answer
    x = 2,537,356.78

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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.