Home / 3,186,691.37-4,781,449.79-1,670,013.70

Finding the Fourth Proportional to 3,186,691.37, 4,781,449.79 and 1,670,013.70

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Solution

The fourth proportional to 3,186,691.37, 4,781,449.79 and 1,670,013.70 is: 2,505,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,691.37 : 4,781,449.79 = 1,670,013.70 : x
  2. Step 2: Convert to fraction form
    3,186,691.37/4,781,449.79 = 1,670,013.70/x
  3. Step 3: Cross multiply
    3,186,691.37x = 4,781,449.79 × 1,670,013.70
  4. Step 4: Simplify right side
    3,186,691.37x = 7,985,086,677,410.46
  5. Step 5: Solve for x
    x = 7,985,086,677,410.46/3,186,691.37
  6. Step 6: Final answer
    x = 2,505,760.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.