Home / 2,319,413.43-3,200,965.85-1,287,116.62

Finding the Fourth Proportional to 2,319,413.43, 3,200,965.85 and 1,287,116.62

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Solution

The fourth proportional to 2,319,413.43, 3,200,965.85 and 1,287,116.62 is: 1,776,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,413.43 : 3,200,965.85 = 1,287,116.62 : x
  2. Step 2: Convert to fraction form
    2,319,413.43/3,200,965.85 = 1,287,116.62/x
  3. Step 3: Cross multiply
    2,319,413.43x = 3,200,965.85 × 1,287,116.62
  4. Step 4: Simplify right side
    2,319,413.43x = 4,120,016,345,587.43
  5. Step 5: Solve for x
    x = 4,120,016,345,587.43/2,319,413.43
  6. Step 6: Final answer
    x = 1,776,318.22

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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.