Home / 3,978,399.88-5,967,641.64-3,184,726.76

Finding the Fourth Proportional to 3,978,399.88, 5,967,641.64 and 3,184,726.76

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Solution

The fourth proportional to 3,978,399.88, 5,967,641.64 and 3,184,726.76 is: 4,777,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,399.88 : 5,967,641.64 = 3,184,726.76 : x
  2. Step 2: Convert to fraction form
    3,978,399.88/5,967,641.64 = 3,184,726.76/x
  3. Step 3: Cross multiply
    3,978,399.88x = 5,967,641.64 × 3,184,726.76
  4. Step 4: Simplify right side
    3,978,399.88x = 19,005,308,024,998.29
  5. Step 5: Solve for x
    x = 19,005,308,024,998.29/3,978,399.88
  6. Step 6: Final answer
    x = 4,777,123.62

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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.