Home / 3,902,921.43-5,854,939.82-1,207,476.73

Finding the Fourth Proportional to 3,902,921.43, 5,854,939.82 and 1,207,476.73

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Solution

The fourth proportional to 3,902,921.43, 5,854,939.82 and 1,207,476.73 is: 1,811,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,921.43 : 5,854,939.82 = 1,207,476.73 : x
  2. Step 2: Convert to fraction form
    3,902,921.43/5,854,939.82 = 1,207,476.73/x
  3. Step 3: Cross multiply
    3,902,921.43x = 5,854,939.82 × 1,207,476.73
  4. Step 4: Simplify right side
    3,902,921.43x = 7,069,703,588,200.39
  5. Step 5: Solve for x
    x = 7,069,703,588,200.39/3,902,921.43
  6. Step 6: Final answer
    x = 1,811,387.63

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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.