Home / 2,629,942.40-3,942,545.10-945,861.68

Finding the Fourth Proportional to 2,629,942.40, 3,942,545.10 and 945,861.68

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Solution

The fourth proportional to 2,629,942.40, 3,942,545.10 and 945,861.68 is: 1,417,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,942.40 : 3,942,545.10 = 945,861.68 : x
  2. Step 2: Convert to fraction form
    2,629,942.40/3,942,545.10 = 945,861.68/x
  3. Step 3: Cross multiply
    2,629,942.40x = 3,942,545.10 × 945,861.68
  4. Step 4: Simplify right side
    2,629,942.40x = 3,729,102,331,761.77
  5. Step 5: Solve for x
    x = 3,729,102,331,761.77/2,629,942.40
  6. Step 6: Final answer
    x = 1,417,940.69

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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.