Home / 3,198,317.58-4,413,670.83-1,821,661.02

Finding the Fourth Proportional to 3,198,317.58, 4,413,670.83 and 1,821,661.02

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Solution

The fourth proportional to 3,198,317.58, 4,413,670.83 and 1,821,661.02 is: 2,513,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,317.58 : 4,413,670.83 = 1,821,661.02 : x
  2. Step 2: Convert to fraction form
    3,198,317.58/4,413,670.83 = 1,821,661.02/x
  3. Step 3: Cross multiply
    3,198,317.58x = 4,413,670.83 × 1,821,661.02
  4. Step 4: Simplify right side
    3,198,317.58x = 8,040,212,106,122.05
  5. Step 5: Solve for x
    x = 8,040,212,106,122.05/3,198,317.58
  6. Step 6: Final answer
    x = 2,513,887.98

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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.