Home / 3,882,881.80-5,821,989.90-1,993,313.80

Finding the Fourth Proportional to 3,882,881.80, 5,821,989.90 and 1,993,313.80

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Solution

The fourth proportional to 3,882,881.80, 5,821,989.90 and 1,993,313.80 is: 2,988,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,881.80 : 5,821,989.90 = 1,993,313.80 : x
  2. Step 2: Convert to fraction form
    3,882,881.80/5,821,989.90 = 1,993,313.80/x
  3. Step 3: Cross multiply
    3,882,881.80x = 5,821,989.90 × 1,993,313.80
  4. Step 4: Simplify right side
    3,882,881.80x = 11,605,052,811,130.62
  5. Step 5: Solve for x
    x = 11,605,052,811,130.62/3,882,881.80
  6. Step 6: Final answer
    x = 2,988,773.14

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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.