Home / 5,208,517.11-7,806,477.09-2,682,794.55

Finding the Fourth Proportional to 5,208,517.11, 7,806,477.09 and 2,682,794.55

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Solution

The fourth proportional to 5,208,517.11, 7,806,477.09 and 2,682,794.55 is: 4,020,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,517.11 : 7,806,477.09 = 2,682,794.55 : x
  2. Step 2: Convert to fraction form
    5,208,517.11/7,806,477.09 = 2,682,794.55/x
  3. Step 3: Cross multiply
    5,208,517.11x = 7,806,477.09 × 2,682,794.55
  4. Step 4: Simplify right side
    5,208,517.11x = 20,943,174,191,751.86
  5. Step 5: Solve for x
    x = 20,943,174,191,751.86/5,208,517.11
  6. Step 6: Final answer
    x = 4,020,947.57

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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.