Home / 2,375,186.20-3,277,669.14-1,287,434.43

Finding the Fourth Proportional to 2,375,186.20, 3,277,669.14 and 1,287,434.43

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Solution

The fourth proportional to 2,375,186.20, 3,277,669.14 and 1,287,434.43 is: 1,776,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,186.20 : 3,277,669.14 = 1,287,434.43 : x
  2. Step 2: Convert to fraction form
    2,375,186.20/3,277,669.14 = 1,287,434.43/x
  3. Step 3: Cross multiply
    2,375,186.20x = 3,277,669.14 × 1,287,434.43
  4. Step 4: Simplify right side
    2,375,186.20x = 4,219,784,100,984.49
  5. Step 5: Solve for x
    x = 4,219,784,100,984.49/2,375,186.20
  6. Step 6: Final answer
    x = 1,776,611.91

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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.