Home / 5,781,644.76-8,669,105.49-2,187,689.34

Finding the Fourth Proportional to 5,781,644.76, 8,669,105.49 and 2,187,689.34

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Solution

The fourth proportional to 5,781,644.76, 8,669,105.49 and 2,187,689.34 is: 3,280,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,644.76 : 8,669,105.49 = 2,187,689.34 : x
  2. Step 2: Convert to fraction form
    5,781,644.76/8,669,105.49 = 2,187,689.34/x
  3. Step 3: Cross multiply
    5,781,644.76x = 8,669,105.49 × 2,187,689.34
  4. Step 4: Simplify right side
    5,781,644.76x = 18,965,309,667,808.48
  5. Step 5: Solve for x
    x = 18,965,309,667,808.48/5,781,644.76
  6. Step 6: Final answer
    x = 3,280,262.01

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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.