Home / 3,379,338.33-5,068,963.75-820,574.25

Finding the Fourth Proportional to 3,379,338.33, 5,068,963.75 and 820,574.25

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Solution

The fourth proportional to 3,379,338.33, 5,068,963.75 and 820,574.25 is: 1,230,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,338.33 : 5,068,963.75 = 820,574.25 : x
  2. Step 2: Convert to fraction form
    3,379,338.33/5,068,963.75 = 820,574.25/x
  3. Step 3: Cross multiply
    3,379,338.33x = 5,068,963.75 × 820,574.25
  4. Step 4: Simplify right side
    3,379,338.33x = 4,159,461,127,433.44
  5. Step 5: Solve for x
    x = 4,159,461,127,433.44/3,379,338.33
  6. Step 6: Final answer
    x = 1,230,850.75

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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.