Home / 2,220,759.12-3,069,812.52-1,981,413.84

Finding the Fourth Proportional to 2,220,759.12, 3,069,812.52 and 1,981,413.84

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Solution

The fourth proportional to 2,220,759.12, 3,069,812.52 and 1,981,413.84 is: 2,738,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,759.12 : 3,069,812.52 = 1,981,413.84 : x
  2. Step 2: Convert to fraction form
    2,220,759.12/3,069,812.52 = 1,981,413.84/x
  3. Step 3: Cross multiply
    2,220,759.12x = 3,069,812.52 × 1,981,413.84
  4. Step 4: Simplify right side
    2,220,759.12x = 6,082,569,013,333.28
  5. Step 5: Solve for x
    x = 6,082,569,013,333.28/2,220,759.12
  6. Step 6: Final answer
    x = 2,738,959.38

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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.