Home / 2,420,737.20-3,631,105.80-647,809.20

Finding the Fourth Proportional to 2,420,737.20, 3,631,105.80 and 647,809.20

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Solution

The fourth proportional to 2,420,737.20, 3,631,105.80 and 647,809.20 is: 971,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,737.20 : 3,631,105.80 = 647,809.20 : x
  2. Step 2: Convert to fraction form
    2,420,737.20/3,631,105.80 = 647,809.20/x
  3. Step 3: Cross multiply
    2,420,737.20x = 3,631,105.80 × 647,809.20
  4. Step 4: Simplify right side
    2,420,737.20x = 2,352,263,743,413.36
  5. Step 5: Solve for x
    x = 2,352,263,743,413.36/2,420,737.20
  6. Step 6: Final answer
    x = 971,713.80

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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.