Home / 3,912,074.96-5,863,970.79-1,315,908.23

Finding the Fourth Proportional to 3,912,074.96, 5,863,970.79 and 1,315,908.23

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Solution

The fourth proportional to 3,912,074.96, 5,863,970.79 and 1,315,908.23 is: 1,972,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,074.96 : 5,863,970.79 = 1,315,908.23 : x
  2. Step 2: Convert to fraction form
    3,912,074.96/5,863,970.79 = 1,315,908.23/x
  3. Step 3: Cross multiply
    3,912,074.96x = 5,863,970.79 × 1,315,908.23
  4. Step 4: Simplify right side
    3,912,074.96x = 7,716,447,449,593.68
  5. Step 5: Solve for x
    x = 7,716,447,449,593.68/3,912,074.96
  6. Step 6: Final answer
    x = 1,972,469.22

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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.