Home / 3,820,275.31-5,731,121.72-1,261,667.56

Finding the Fourth Proportional to 3,820,275.31, 5,731,121.72 and 1,261,667.56

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Solution

The fourth proportional to 3,820,275.31, 5,731,121.72 and 1,261,667.56 is: 1,892,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,275.31 : 5,731,121.72 = 1,261,667.56 : x
  2. Step 2: Convert to fraction form
    3,820,275.31/5,731,121.72 = 1,261,667.56/x
  3. Step 3: Cross multiply
    3,820,275.31x = 5,731,121.72 × 1,261,667.56
  4. Step 4: Simplify right side
    3,820,275.31x = 7,230,770,356,535.40
  5. Step 5: Solve for x
    x = 7,230,770,356,535.40/3,820,275.31
  6. Step 6: Final answer
    x = 1,892,735.41

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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.