Home / 3,921,723.42-5,412,109.74-2,179,466.24

Finding the Fourth Proportional to 3,921,723.42, 5,412,109.74 and 2,179,466.24

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Solution

The fourth proportional to 3,921,723.42, 5,412,109.74 and 2,179,466.24 is: 3,007,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,723.42 : 5,412,109.74 = 2,179,466.24 : x
  2. Step 2: Convert to fraction form
    3,921,723.42/5,412,109.74 = 2,179,466.24/x
  3. Step 3: Cross multiply
    3,921,723.42x = 5,412,109.74 × 2,179,466.24
  4. Step 4: Simplify right side
    3,921,723.42x = 11,795,510,438,444.63
  5. Step 5: Solve for x
    x = 11,795,510,438,444.63/3,921,723.42
  6. Step 6: Final answer
    x = 3,007,736.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.