Home / 2,639,413.06-3,959,188.38-842,294.12

Finding the Fourth Proportional to 2,639,413.06, 3,959,188.38 and 842,294.12

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Solution

The fourth proportional to 2,639,413.06, 3,959,188.38 and 842,294.12 is: 1,263,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,413.06 : 3,959,188.38 = 842,294.12 : x
  2. Step 2: Convert to fraction form
    2,639,413.06/3,959,188.38 = 842,294.12/x
  3. Step 3: Cross multiply
    2,639,413.06x = 3,959,188.38 × 842,294.12
  4. Step 4: Simplify right side
    2,639,413.06x = 3,334,801,092,446.33
  5. Step 5: Solve for x
    x = 3,334,801,092,446.33/2,639,413.06
  6. Step 6: Final answer
    x = 1,263,463.13

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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.