Home / 2,640,937.69-3,644,509.17-1,553,255.11

Finding the Fourth Proportional to 2,640,937.69, 3,644,509.17 and 1,553,255.11

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Solution

The fourth proportional to 2,640,937.69, 3,644,509.17 and 1,553,255.11 is: 2,143,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,937.69 : 3,644,509.17 = 1,553,255.11 : x
  2. Step 2: Convert to fraction form
    2,640,937.69/3,644,509.17 = 1,553,255.11/x
  3. Step 3: Cross multiply
    2,640,937.69x = 3,644,509.17 × 1,553,255.11
  4. Step 4: Simplify right side
    2,640,937.69x = 5,660,852,491,744.36
  5. Step 5: Solve for x
    x = 5,660,852,491,744.36/2,640,937.69
  6. Step 6: Final answer
    x = 2,143,500.97

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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.