Home / 3,122,097.69-4,682,788.78-816,813.36

Finding the Fourth Proportional to 3,122,097.69, 4,682,788.78 and 816,813.36

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Solution

The fourth proportional to 3,122,097.69, 4,682,788.78 and 816,813.36 is: 1,225,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,097.69 : 4,682,788.78 = 816,813.36 : x
  2. Step 2: Convert to fraction form
    3,122,097.69/4,682,788.78 = 816,813.36/x
  3. Step 3: Cross multiply
    3,122,097.69x = 4,682,788.78 × 816,813.36
  4. Step 4: Simplify right side
    3,122,097.69x = 3,824,964,419,947.64
  5. Step 5: Solve for x
    x = 3,824,964,419,947.64/3,122,097.69
  6. Step 6: Final answer
    x = 1,225,126.44

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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.