Home / 5,322,764.48-7,984,146.88-1,679,863.56

Finding the Fourth Proportional to 5,322,764.48, 7,984,146.88 and 1,679,863.56

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Solution

The fourth proportional to 5,322,764.48, 7,984,146.88 and 1,679,863.56 is: 2,519,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,764.48 : 7,984,146.88 = 1,679,863.56 : x
  2. Step 2: Convert to fraction form
    5,322,764.48/7,984,146.88 = 1,679,863.56/x
  3. Step 3: Cross multiply
    5,322,764.48x = 7,984,146.88 × 1,679,863.56
  4. Step 4: Simplify right side
    5,322,764.48x = 13,412,277,401,399.69
  5. Step 5: Solve for x
    x = 13,412,277,401,399.69/5,322,764.48
  6. Step 6: Final answer
    x = 2,519,795.39

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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.