Home / 2,616,121-3,922,063.26-818,078.44

Finding the Fourth Proportional to 2,616,121, 3,922,063.26 and 818,078.44

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Solution

The fourth proportional to 2,616,121, 3,922,063.26 and 818,078.44 is: 1,226,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,121 : 3,922,063.26 = 818,078.44 : x
  2. Step 2: Convert to fraction form
    2,616,121/3,922,063.26 = 818,078.44/x
  3. Step 3: Cross multiply
    2,616,121x = 3,922,063.26 × 818,078.44
  4. Step 4: Simplify right side
    2,616,121x = 3,208,555,393,322.11
  5. Step 5: Solve for x
    x = 3,208,555,393,322.11/2,616,121
  6. Step 6: Final answer
    x = 1,226,455.27

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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.