Home / 1,894,961.66-2,615,313.78-1,206,413.55

Finding the Fourth Proportional to 1,894,961.66, 2,615,313.78 and 1,206,413.55

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Solution

The fourth proportional to 1,894,961.66, 2,615,313.78 and 1,206,413.55 is: 1,665,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,961.66 : 2,615,313.78 = 1,206,413.55 : x
  2. Step 2: Convert to fraction form
    1,894,961.66/2,615,313.78 = 1,206,413.55/x
  3. Step 3: Cross multiply
    1,894,961.66x = 2,615,313.78 × 1,206,413.55
  4. Step 4: Simplify right side
    1,894,961.66x = 3,155,149,981,693.72
  5. Step 5: Solve for x
    x = 3,155,149,981,693.72/1,894,961.66
  6. Step 6: Final answer
    x = 1,665,020.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.