Home / 2,125,620.34-3,188,432.78-528,183.42

Finding the Fourth Proportional to 2,125,620.34, 3,188,432.78 and 528,183.42

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Solution

The fourth proportional to 2,125,620.34, 3,188,432.78 and 528,183.42 is: 792,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,620.34 : 3,188,432.78 = 528,183.42 : x
  2. Step 2: Convert to fraction form
    2,125,620.34/3,188,432.78 = 528,183.42/x
  3. Step 3: Cross multiply
    2,125,620.34x = 3,188,432.78 × 528,183.42
  4. Step 4: Simplify right side
    2,125,620.34x = 1,684,077,330,180.51
  5. Step 5: Solve for x
    x = 1,684,077,330,180.51/2,125,620.34
  6. Step 6: Final answer
    x = 792,275.69

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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.