Home / 3,171,959.37-4,377,186.60-1,721,623.91

Finding the Fourth Proportional to 3,171,959.37, 4,377,186.60 and 1,721,623.91

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Solution

The fourth proportional to 3,171,959.37, 4,377,186.60 and 1,721,623.91 is: 2,375,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,959.37 : 4,377,186.60 = 1,721,623.91 : x
  2. Step 2: Convert to fraction form
    3,171,959.37/4,377,186.60 = 1,721,623.91/x
  3. Step 3: Cross multiply
    3,171,959.37x = 4,377,186.60 × 1,721,623.91
  4. Step 4: Simplify right side
    3,171,959.37x = 7,535,869,087,205.67
  5. Step 5: Solve for x
    x = 7,535,869,087,205.67/3,171,959.37
  6. Step 6: Final answer
    x = 2,375,777.31

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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.