Home / 3,979,647.15-5,970,732.65-1,420,807.23

Finding the Fourth Proportional to 3,979,647.15, 5,970,732.65 and 1,420,807.23

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Solution

The fourth proportional to 3,979,647.15, 5,970,732.65 and 1,420,807.23 is: 2,131,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,647.15 : 5,970,732.65 = 1,420,807.23 : x
  2. Step 2: Convert to fraction form
    3,979,647.15/5,970,732.65 = 1,420,807.23/x
  3. Step 3: Cross multiply
    3,979,647.15x = 5,970,732.65 × 1,420,807.23
  4. Step 4: Simplify right side
    3,979,647.15x = 8,483,260,110,413.02
  5. Step 5: Solve for x
    x = 8,483,260,110,413.02/3,979,647.15
  6. Step 6: Final answer
    x = 2,131,661.37

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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.