Home / 3,896,147.15-5,376,667.38-2,177,267.21

Finding the Fourth Proportional to 3,896,147.15, 5,376,667.38 and 2,177,267.21

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Solution

The fourth proportional to 3,896,147.15, 5,376,667.38 and 2,177,267.21 is: 3,004,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,147.15 : 5,376,667.38 = 2,177,267.21 : x
  2. Step 2: Convert to fraction form
    3,896,147.15/5,376,667.38 = 2,177,267.21/x
  3. Step 3: Cross multiply
    3,896,147.15x = 5,376,667.38 × 2,177,267.21
  4. Step 4: Simplify right side
    3,896,147.15x = 11,706,441,585,550.61
  5. Step 5: Solve for x
    x = 11,706,441,585,550.61/3,896,147.15
  6. Step 6: Final answer
    x = 3,004,619.98

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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.