Home / 3,978,402.42-5,967,645.39-3,184,729.26

Finding the Fourth Proportional to 3,978,402.42, 5,967,645.39 and 3,184,729.26

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Solution

The fourth proportional to 3,978,402.42, 5,967,645.39 and 3,184,729.26 is: 4,777,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,402.42 : 5,967,645.39 = 3,184,729.26 : x
  2. Step 2: Convert to fraction form
    3,978,402.42/5,967,645.39 = 3,184,729.26/x
  3. Step 3: Cross multiply
    3,978,402.42x = 5,967,645.39 × 3,184,729.26
  4. Step 4: Simplify right side
    3,978,402.42x = 19,005,334,886,837.11
  5. Step 5: Solve for x
    x = 19,005,334,886,837.11/3,978,402.42
  6. Step 6: Final answer
    x = 4,777,127.32

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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.