Home / 5,631,016.32-7,768,975.68-3,183,390.72

Finding the Fourth Proportional to 5,631,016.32, 7,768,975.68 and 3,183,390.72

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Solution

The fourth proportional to 5,631,016.32, 7,768,975.68 and 3,183,390.72 is: 4,392,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,016.32 : 7,768,975.68 = 3,183,390.72 : x
  2. Step 2: Convert to fraction form
    5,631,016.32/7,768,975.68 = 3,183,390.72/x
  3. Step 3: Cross multiply
    5,631,016.32x = 7,768,975.68 × 3,183,390.72
  4. Step 4: Simplify right side
    5,631,016.32x = 24,731,685,083,617.69
  5. Step 5: Solve for x
    x = 24,731,685,083,617.69/5,631,016.32
  6. Step 6: Final answer
    x = 4,392,046.42

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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.