Home / 1,947,984.38-2,921,976.57-528,040.45

Finding the Fourth Proportional to 1,947,984.38, 2,921,976.57 and 528,040.45

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Solution

The fourth proportional to 1,947,984.38, 2,921,976.57 and 528,040.45 is: 792,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,984.38 : 2,921,976.57 = 528,040.45 : x
  2. Step 2: Convert to fraction form
    1,947,984.38/2,921,976.57 = 528,040.45/x
  3. Step 3: Cross multiply
    1,947,984.38x = 2,921,976.57 × 528,040.45
  4. Step 4: Simplify right side
    1,947,984.38x = 1,542,921,822,912.26
  5. Step 5: Solve for x
    x = 1,542,921,822,912.26/1,947,984.38
  6. Step 6: Final answer
    x = 792,060.68

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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.