Home / 2,659,484.68-3,989,226.84-664,940.68

Finding the Fourth Proportional to 2,659,484.68, 3,989,226.84 and 664,940.68

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Solution

The fourth proportional to 2,659,484.68, 3,989,226.84 and 664,940.68 is: 997,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,484.68 : 3,989,226.84 = 664,940.68 : x
  2. Step 2: Convert to fraction form
    2,659,484.68/3,989,226.84 = 664,940.68/x
  3. Step 3: Cross multiply
    2,659,484.68x = 3,989,226.84 × 664,940.68
  4. Step 4: Simplify right side
    2,659,484.68x = 2,652,599,207,663.85
  5. Step 5: Solve for x
    x = 2,652,599,207,663.85/2,659,484.68
  6. Step 6: Final answer
    x = 997,410.97

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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.