Home / 5,190,054.78-7,162,493.01-2,984,919.09

Finding the Fourth Proportional to 5,190,054.78, 7,162,493.01 and 2,984,919.09

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Solution

The fourth proportional to 5,190,054.78, 7,162,493.01 and 2,984,919.09 is: 4,119,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,054.78 : 7,162,493.01 = 2,984,919.09 : x
  2. Step 2: Convert to fraction form
    5,190,054.78/7,162,493.01 = 2,984,919.09/x
  3. Step 3: Cross multiply
    5,190,054.78x = 7,162,493.01 × 2,984,919.09
  4. Step 4: Simplify right side
    5,190,054.78x = 21,379,462,117,540.56
  5. Step 5: Solve for x
    x = 21,379,462,117,540.56/5,190,054.78
  6. Step 6: Final answer
    x = 4,119,313.38

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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.