Home / 2,388,976-3,296,786.88-1,315,888

Finding the Fourth Proportional to 2,388,976, 3,296,786.88 and 1,315,888

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Solution

The fourth proportional to 2,388,976, 3,296,786.88 and 1,315,888 is: 1,815,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,976 : 3,296,786.88 = 1,315,888 : x
  2. Step 2: Convert to fraction form
    2,388,976/3,296,786.88 = 1,315,888/x
  3. Step 3: Cross multiply
    2,388,976x = 3,296,786.88 × 1,315,888
  4. Step 4: Simplify right side
    2,388,976x = 4,338,202,293,949.44
  5. Step 5: Solve for x
    x = 4,338,202,293,949.44/2,388,976
  6. Step 6: Final answer
    x = 1,815,925.44

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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.