Home / 2,291,191.05-3,437,229.16-871,136.71

Finding the Fourth Proportional to 2,291,191.05, 3,437,229.16 and 871,136.71

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Solution

The fourth proportional to 2,291,191.05, 3,437,229.16 and 871,136.71 is: 1,306,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,191.05 : 3,437,229.16 = 871,136.71 : x
  2. Step 2: Convert to fraction form
    2,291,191.05/3,437,229.16 = 871,136.71/x
  3. Step 3: Cross multiply
    2,291,191.05x = 3,437,229.16 × 871,136.71
  4. Step 4: Simplify right side
    2,291,191.05x = 2,994,296,501,958.46
  5. Step 5: Solve for x
    x = 2,994,296,501,958.46/2,291,191.05
  6. Step 6: Final answer
    x = 1,306,873.34

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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.