Home / 3,579,464.80-4,939,662.24-1,969,832.80

Finding the Fourth Proportional to 3,579,464.80, 4,939,662.24 and 1,969,832.80

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Solution

The fourth proportional to 3,579,464.80, 4,939,662.24 and 1,969,832.80 is: 2,718,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,464.80 : 4,939,662.24 = 1,969,832.80 : x
  2. Step 2: Convert to fraction form
    3,579,464.80/4,939,662.24 = 1,969,832.80/x
  3. Step 3: Cross multiply
    3,579,464.80x = 4,939,662.24 × 1,969,832.80
  4. Step 4: Simplify right side
    3,579,464.80x = 9,730,308,701,273.47
  5. Step 5: Solve for x
    x = 9,730,308,701,273.47/3,579,464.80
  6. Step 6: Final answer
    x = 2,718,369.71

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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.