Home / 3,678,673.35-5,516,401.31-1,855,916.78

Finding the Fourth Proportional to 3,678,673.35, 5,516,401.31 and 1,855,916.78

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Solution

The fourth proportional to 3,678,673.35, 5,516,401.31 and 1,855,916.78 is: 2,783,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,673.35 : 5,516,401.31 = 1,855,916.78 : x
  2. Step 2: Convert to fraction form
    3,678,673.35/5,516,401.31 = 1,855,916.78/x
  3. Step 3: Cross multiply
    3,678,673.35x = 5,516,401.31 × 1,855,916.78
  4. Step 4: Simplify right side
    3,678,673.35x = 10,237,981,747,163.40
  5. Step 5: Solve for x
    x = 10,237,981,747,163.40/3,678,673.35
  6. Step 6: Final answer
    x = 2,783,063.56

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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.