Home / 3,978,400.86-5,967,643.14-3,184,727.76

Finding the Fourth Proportional to 3,978,400.86, 5,967,643.14 and 3,184,727.76

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Solution

The fourth proportional to 3,978,400.86, 5,967,643.14 and 3,184,727.76 is: 4,777,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,400.86 : 5,967,643.14 = 3,184,727.76 : x
  2. Step 2: Convert to fraction form
    3,978,400.86/5,967,643.14 = 3,184,727.76/x
  3. Step 3: Cross multiply
    3,978,400.86x = 5,967,643.14 × 3,184,727.76
  4. Step 4: Simplify right side
    3,978,400.86x = 19,005,318,769,731.56
  5. Step 5: Solve for x
    x = 19,005,318,769,731.56/3,978,400.86
  6. Step 6: Final answer
    x = 4,777,125.14

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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.