Home / 3,640,939.86-5,026,385.94-2,659,777.38

Finding the Fourth Proportional to 3,640,939.86, 5,026,385.94 and 2,659,777.38

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Solution

The fourth proportional to 3,640,939.86, 5,026,385.94 and 2,659,777.38 is: 3,671,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,939.86 : 5,026,385.94 = 2,659,777.38 : x
  2. Step 2: Convert to fraction form
    3,640,939.86/5,026,385.94 = 2,659,777.38/x
  3. Step 3: Cross multiply
    3,640,939.86x = 5,026,385.94 × 2,659,777.38
  4. Step 4: Simplify right side
    3,640,939.86x = 13,369,067,626,362.04
  5. Step 5: Solve for x
    x = 13,369,067,626,362.04/3,640,939.86
  6. Step 6: Final answer
    x = 3,671,872.69

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1.5x scale

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.