Home / 2,133,391.11-3,200,089.74-871,218.73

Finding the Fourth Proportional to 2,133,391.11, 3,200,089.74 and 871,218.73

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Solution

The fourth proportional to 2,133,391.11, 3,200,089.74 and 871,218.73 is: 1,306,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,391.11 : 3,200,089.74 = 871,218.73 : x
  2. Step 2: Convert to fraction form
    2,133,391.11/3,200,089.74 = 871,218.73/x
  3. Step 3: Cross multiply
    2,133,391.11x = 3,200,089.74 × 871,218.73
  4. Step 4: Simplify right side
    2,133,391.11x = 2,787,978,119,168.83
  5. Step 5: Solve for x
    x = 2,787,978,119,168.83/2,133,391.11
  6. Step 6: Final answer
    x = 1,306,829.35

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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.