Home / 2,783,680.62-4,174,001.37-838,125.42

Finding the Fourth Proportional to 2,783,680.62, 4,174,001.37 and 838,125.42

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Solution

The fourth proportional to 2,783,680.62, 4,174,001.37 and 838,125.42 is: 1,256,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,680.62 : 4,174,001.37 = 838,125.42 : x
  2. Step 2: Convert to fraction form
    2,783,680.62/4,174,001.37 = 838,125.42/x
  3. Step 3: Cross multiply
    2,783,680.62x = 4,174,001.37 × 838,125.42
  4. Step 4: Simplify right side
    2,783,680.62x = 3,498,336,651,311.83
  5. Step 5: Solve for x
    x = 3,498,336,651,311.83/2,783,680.62
  6. Step 6: Final answer
    x = 1,256,730.61

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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.