Home / 3,900,996.45-5,381,021.16-2,576,428.29

Finding the Fourth Proportional to 3,900,996.45, 5,381,021.16 and 2,576,428.29

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Solution

The fourth proportional to 3,900,996.45, 5,381,021.16 and 2,576,428.29 is: 3,553,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,996.45 : 5,381,021.16 = 2,576,428.29 : x
  2. Step 2: Convert to fraction form
    3,900,996.45/5,381,021.16 = 2,576,428.29/x
  3. Step 3: Cross multiply
    3,900,996.45x = 5,381,021.16 × 2,576,428.29
  4. Step 4: Simplify right side
    3,900,996.45x = 13,863,815,145,712.62
  5. Step 5: Solve for x
    x = 13,863,815,145,712.62/3,900,996.45
  6. Step 6: Final answer
    x = 3,553,916.37

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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.