Home / 5,110,920.78-7,052,947.11-2,819,032.26

Finding the Fourth Proportional to 5,110,920.78, 7,052,947.11 and 2,819,032.26

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Solution

The fourth proportional to 5,110,920.78, 7,052,947.11 and 2,819,032.26 is: 3,890,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110,920.78 : 7,052,947.11 = 2,819,032.26 : x
  2. Step 2: Convert to fraction form
    5,110,920.78/7,052,947.11 = 2,819,032.26/x
  3. Step 3: Cross multiply
    5,110,920.78x = 7,052,947.11 × 2,819,032.26
  4. Step 4: Simplify right side
    5,110,920.78x = 19,882,485,431,163.77
  5. Step 5: Solve for x
    x = 19,882,485,431,163.77/5,110,920.78
  6. Step 6: Final answer
    x = 3,890,196.36

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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.