Home / 5,338,198.07-7,366,717.23-2,890,811.76

Finding the Fourth Proportional to 5,338,198.07, 7,366,717.23 and 2,890,811.76

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Solution

The fourth proportional to 5,338,198.07, 7,366,717.23 and 2,890,811.76 is: 3,989,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,198.07 : 7,366,717.23 = 2,890,811.76 : x
  2. Step 2: Convert to fraction form
    5,338,198.07/7,366,717.23 = 2,890,811.76/x
  3. Step 3: Cross multiply
    5,338,198.07x = 7,366,717.23 × 2,890,811.76
  4. Step 4: Simplify right side
    5,338,198.07x = 21,295,792,801,078.62
  5. Step 5: Solve for x
    x = 21,295,792,801,078.62/5,338,198.07
  6. Step 6: Final answer
    x = 3,989,322.34

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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.