Home / 5,189,843.09-7,161,954.94-2,866,895.41

Finding the Fourth Proportional to 5,189,843.09, 7,161,954.94 and 2,866,895.41

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Solution

The fourth proportional to 5,189,843.09, 7,161,954.94 and 2,866,895.41 is: 3,956,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,843.09 : 7,161,954.94 = 2,866,895.41 : x
  2. Step 2: Convert to fraction form
    5,189,843.09/7,161,954.94 = 2,866,895.41/x
  3. Step 3: Cross multiply
    5,189,843.09x = 7,161,954.94 × 2,866,895.41
  4. Step 4: Simplify right side
    5,189,843.09x = 20,532,575,744,112.83
  5. Step 5: Solve for x
    x = 20,532,575,744,112.83/5,189,843.09
  6. Step 6: Final answer
    x = 3,956,299.91

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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.