Home / 2,815,382.12-4,222,645.50-922,081.64

Finding the Fourth Proportional to 2,815,382.12, 4,222,645.50 and 922,081.64

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Solution

The fourth proportional to 2,815,382.12, 4,222,645.50 and 922,081.64 is: 1,382,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,382.12 : 4,222,645.50 = 922,081.64 : x
  2. Step 2: Convert to fraction form
    2,815,382.12/4,222,645.50 = 922,081.64/x
  3. Step 3: Cross multiply
    2,815,382.12x = 4,222,645.50 × 922,081.64
  4. Step 4: Simplify right side
    2,815,382.12x = 3,893,623,887,778.62
  5. Step 5: Solve for x
    x = 3,893,623,887,778.62/2,815,382.12
  6. Step 6: Final answer
    x = 1,382,982.39

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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.