Home / 3,640,940.86-5,026,387.32-2,659,778.38

Finding the Fourth Proportional to 3,640,940.86, 5,026,387.32 and 2,659,778.38

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Solution

The fourth proportional to 3,640,940.86, 5,026,387.32 and 2,659,778.38 is: 3,671,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,940.86 : 5,026,387.32 = 2,659,778.38 : x
  2. Step 2: Convert to fraction form
    3,640,940.86/5,026,387.32 = 2,659,778.38/x
  3. Step 3: Cross multiply
    3,640,940.86x = 5,026,387.32 × 2,659,778.38
  4. Step 4: Simplify right side
    3,640,940.86x = 13,369,076,323,242.14
  5. Step 5: Solve for x
    x = 13,369,076,323,242.14/3,640,940.86
  6. Step 6: Final answer
    x = 3,671,874.07

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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.