Home / 3,013,187.20-4,157,551.39-1,789,905.15

Finding the Fourth Proportional to 3,013,187.20, 4,157,551.39 and 1,789,905.15

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Solution

The fourth proportional to 3,013,187.20, 4,157,551.39 and 1,789,905.15 is: 2,469,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,187.20 : 4,157,551.39 = 1,789,905.15 : x
  2. Step 2: Convert to fraction form
    3,013,187.20/4,157,551.39 = 1,789,905.15/x
  3. Step 3: Cross multiply
    3,013,187.20x = 4,157,551.39 × 1,789,905.15
  4. Step 4: Simplify right side
    3,013,187.20x = 7,441,622,644,350.66
  5. Step 5: Solve for x
    x = 7,441,622,644,350.66/3,013,187.20
  6. Step 6: Final answer
    x = 2,469,684.81

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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.