Home / 2,451,975.39-3,678,284.43-810,107.15

Finding the Fourth Proportional to 2,451,975.39, 3,678,284.43 and 810,107.15

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Solution

The fourth proportional to 2,451,975.39, 3,678,284.43 and 810,107.15 is: 1,215,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451,975.39 : 3,678,284.43 = 810,107.15 : x
  2. Step 2: Convert to fraction form
    2,451,975.39/3,678,284.43 = 810,107.15/x
  3. Step 3: Cross multiply
    2,451,975.39x = 3,678,284.43 × 810,107.15
  4. Step 4: Simplify right side
    2,451,975.39x = 2,979,804,498,085.25
  5. Step 5: Solve for x
    x = 2,979,804,498,085.25/2,451,975.39
  6. Step 6: Final answer
    x = 1,215,266.89

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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.