Home / 2,105,296.62-3,158,059.67-665,872.46

Finding the Fourth Proportional to 2,105,296.62, 3,158,059.67 and 665,872.46

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Solution

The fourth proportional to 2,105,296.62, 3,158,059.67 and 665,872.46 is: 998,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,296.62 : 3,158,059.67 = 665,872.46 : x
  2. Step 2: Convert to fraction form
    2,105,296.62/3,158,059.67 = 665,872.46/x
  3. Step 3: Cross multiply
    2,105,296.62x = 3,158,059.67 × 665,872.46
  4. Step 4: Simplify right side
    2,105,296.62x = 2,102,864,947,164.07
  5. Step 5: Solve for x
    x = 2,102,864,947,164.07/2,105,296.62
  6. Step 6: Final answer
    x = 998,844.97

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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.