Home / 2,640,939.69-3,644,511.93-1,553,257.11

Finding the Fourth Proportional to 2,640,939.69, 3,644,511.93 and 1,553,257.11

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Solution

The fourth proportional to 2,640,939.69, 3,644,511.93 and 1,553,257.11 is: 2,143,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,939.69 : 3,644,511.93 = 1,553,257.11 : x
  2. Step 2: Convert to fraction form
    2,640,939.69/3,644,511.93 = 1,553,257.11/x
  3. Step 3: Cross multiply
    2,640,939.69x = 3,644,511.93 × 1,553,257.11
  4. Step 4: Simplify right side
    2,640,939.69x = 5,660,864,067,752.32
  5. Step 5: Solve for x
    x = 5,660,864,067,752.32/2,640,939.69
  6. Step 6: Final answer
    x = 2,143,503.73

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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.