Home / 4,317,362.69-6,474,861.84-1,621,479.38

Finding the Fourth Proportional to 4,317,362.69, 6,474,861.84 and 1,621,479.38

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Solution

The fourth proportional to 4,317,362.69, 6,474,861.84 and 1,621,479.38 is: 2,431,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317,362.69 : 6,474,861.84 = 1,621,479.38 : x
  2. Step 2: Convert to fraction form
    4,317,362.69/6,474,861.84 = 1,621,479.38/x
  3. Step 3: Cross multiply
    4,317,362.69x = 6,474,861.84 × 1,621,479.38
  4. Step 4: Simplify right side
    4,317,362.69x = 10,498,854,961,908.86
  5. Step 5: Solve for x
    x = 10,498,854,961,908.86/4,317,362.69
  6. Step 6: Final answer
    x = 2,431,775.07

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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.