Home / 2,129,478.66-3,194,677.26-613,151.37

Finding the Fourth Proportional to 2,129,478.66, 3,194,677.26 and 613,151.37

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Solution

The fourth proportional to 2,129,478.66, 3,194,677.26 and 613,151.37 is: 919,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,478.66 : 3,194,677.26 = 613,151.37 : x
  2. Step 2: Convert to fraction form
    2,129,478.66/3,194,677.26 = 613,151.37/x
  3. Step 3: Cross multiply
    2,129,478.66x = 3,194,677.26 × 613,151.37
  4. Step 4: Simplify right side
    2,129,478.66x = 1,958,820,738,676.85
  5. Step 5: Solve for x
    x = 1,958,820,738,676.85/2,129,478.66
  6. Step 6: Final answer
    x = 919,859.29

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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.