Home / 2,713,721.20-4,071,172.20-820,413.20

Finding the Fourth Proportional to 2,713,721.20, 4,071,172.20 and 820,413.20

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Solution

The fourth proportional to 2,713,721.20, 4,071,172.20 and 820,413.20 is: 1,230,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,721.20 : 4,071,172.20 = 820,413.20 : x
  2. Step 2: Convert to fraction form
    2,713,721.20/4,071,172.20 = 820,413.20/x
  3. Step 3: Cross multiply
    2,713,721.20x = 4,071,172.20 × 820,413.20
  4. Step 4: Simplify right side
    2,713,721.20x = 3,340,043,412,353.04
  5. Step 5: Solve for x
    x = 3,340,043,412,353.04/2,713,721.20
  6. Step 6: Final answer
    x = 1,230,798.29

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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.