Home / 3,945,782.67-5,915,174.81-1,922,895.15

Finding the Fourth Proportional to 3,945,782.67, 5,915,174.81 and 1,922,895.15

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Solution

The fourth proportional to 3,945,782.67, 5,915,174.81 and 1,922,895.15 is: 2,882,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,782.67 : 5,915,174.81 = 1,922,895.15 : x
  2. Step 2: Convert to fraction form
    3,945,782.67/5,915,174.81 = 1,922,895.15/x
  3. Step 3: Cross multiply
    3,945,782.67x = 5,915,174.81 × 1,922,895.15
  4. Step 4: Simplify right side
    3,945,782.67x = 11,374,260,943,936.70
  5. Step 5: Solve for x
    x = 11,374,260,943,936.70/3,945,782.67
  6. Step 6: Final answer
    x = 2,882,637.46

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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.