Home / 3,178,044.38-4,385,786.10-1,727,837.39

Finding the Fourth Proportional to 3,178,044.38, 4,385,786.10 and 1,727,837.39

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Solution

The fourth proportional to 3,178,044.38, 4,385,786.10 and 1,727,837.39 is: 2,384,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,044.38 : 4,385,786.10 = 1,727,837.39 : x
  2. Step 2: Convert to fraction form
    3,178,044.38/4,385,786.10 = 1,727,837.39/x
  3. Step 3: Cross multiply
    3,178,044.38x = 4,385,786.10 × 1,727,837.39
  4. Step 4: Simplify right side
    3,178,044.38x = 7,577,925,208,122.28
  5. Step 5: Solve for x
    x = 7,577,925,208,122.28/3,178,044.38
  6. Step 6: Final answer
    x = 2,384,461.73

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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.