Home / 3,179,045.20-4,387,197.74-1,821,180.64

Finding the Fourth Proportional to 3,179,045.20, 4,387,197.74 and 1,821,180.64

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Solution

The fourth proportional to 3,179,045.20, 4,387,197.74 and 1,821,180.64 is: 2,513,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,045.20 : 4,387,197.74 = 1,821,180.64 : x
  2. Step 2: Convert to fraction form
    3,179,045.20/4,387,197.74 = 1,821,180.64/x
  3. Step 3: Cross multiply
    3,179,045.20x = 4,387,197.74 × 1,821,180.64
  4. Step 4: Simplify right side
    3,179,045.20x = 7,989,879,587,939.75
  5. Step 5: Solve for x
    x = 7,989,879,587,939.75/3,179,045.20
  6. Step 6: Final answer
    x = 2,513,295.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.