Home / 2,640,940.69-3,644,513.31-1,553,258.11

Finding the Fourth Proportional to 2,640,940.69, 3,644,513.31 and 1,553,258.11

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Solution

The fourth proportional to 2,640,940.69, 3,644,513.31 and 1,553,258.11 is: 2,143,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,940.69 : 3,644,513.31 = 1,553,258.11 : x
  2. Step 2: Convert to fraction form
    2,640,940.69/3,644,513.31 = 1,553,258.11/x
  3. Step 3: Cross multiply
    2,640,940.69x = 3,644,513.31 × 1,553,258.11
  4. Step 4: Simplify right side
    2,640,940.69x = 5,660,869,855,760.44
  5. Step 5: Solve for x
    x = 5,660,869,855,760.44/2,640,940.69
  6. Step 6: Final answer
    x = 2,143,505.11

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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.