Home / 2,659,476.18-3,989,214.09-664,932.18

Finding the Fourth Proportional to 2,659,476.18, 3,989,214.09 and 664,932.18

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Solution

The fourth proportional to 2,659,476.18, 3,989,214.09 and 664,932.18 is: 997,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,476.18 : 3,989,214.09 = 664,932.18 : x
  2. Step 2: Convert to fraction form
    2,659,476.18/3,989,214.09 = 664,932.18/x
  3. Step 3: Cross multiply
    2,659,476.18x = 3,989,214.09 × 664,932.18
  4. Step 4: Simplify right side
    2,659,476.18x = 2,652,556,821,350.42
  5. Step 5: Solve for x
    x = 2,652,556,821,350.42/2,659,476.18
  6. Step 6: Final answer
    x = 997,398.22

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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.