Home / 2,057,205.60-3,085,905.60-638,255.70

Finding the Fourth Proportional to 2,057,205.60, 3,085,905.60 and 638,255.70

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Solution

The fourth proportional to 2,057,205.60, 3,085,905.60 and 638,255.70 is: 957,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,205.60 : 3,085,905.60 = 638,255.70 : x
  2. Step 2: Convert to fraction form
    2,057,205.60/3,085,905.60 = 638,255.70/x
  3. Step 3: Cross multiply
    2,057,205.60x = 3,085,905.60 × 638,255.70
  4. Step 4: Simplify right side
    2,057,205.60x = 1,969,596,838,861.92
  5. Step 5: Solve for x
    x = 1,969,596,838,861.92/2,057,205.60
  6. Step 6: Final answer
    x = 957,413.71

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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.