Home / 3,935,971.54-5,431,472.89-2,193,548.20

Finding the Fourth Proportional to 3,935,971.54, 5,431,472.89 and 2,193,548.20

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Solution

The fourth proportional to 3,935,971.54, 5,431,472.89 and 2,193,548.20 is: 3,027,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,971.54 : 5,431,472.89 = 2,193,548.20 : x
  2. Step 2: Convert to fraction form
    3,935,971.54/5,431,472.89 = 2,193,548.20/x
  3. Step 3: Cross multiply
    3,935,971.54x = 5,431,472.89 × 2,193,548.20
  4. Step 4: Simplify right side
    3,935,971.54x = 11,914,197,581,208.30
  5. Step 5: Solve for x
    x = 11,914,197,581,208.30/3,935,971.54
  6. Step 6: Final answer
    x = 3,027,002.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.