Home / 3,689,388-5,091,355.44-2,079,756

Finding the Fourth Proportional to 3,689,388, 5,091,355.44 and 2,079,756

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Solution

The fourth proportional to 3,689,388, 5,091,355.44 and 2,079,756 is: 2,870,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,388 : 5,091,355.44 = 2,079,756 : x
  2. Step 2: Convert to fraction form
    3,689,388/5,091,355.44 = 2,079,756/x
  3. Step 3: Cross multiply
    3,689,388x = 5,091,355.44 × 2,079,756
  4. Step 4: Simplify right side
    3,689,388x = 10,588,777,024,472.64
  5. Step 5: Solve for x
    x = 10,588,777,024,472.64/3,689,388
  6. Step 6: Final answer
    x = 2,870,063.28

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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.