Home / 3,939,564.77-5,436,682.57-2,220,684.83

Finding the Fourth Proportional to 3,939,564.77, 5,436,682.57 and 2,220,684.83

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Solution

The fourth proportional to 3,939,564.77, 5,436,682.57 and 2,220,684.83 is: 3,064,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,564.77 : 5,436,682.57 = 2,220,684.83 : x
  2. Step 2: Convert to fraction form
    3,939,564.77/5,436,682.57 = 2,220,684.83/x
  3. Step 3: Cross multiply
    3,939,564.77x = 5,436,682.57 × 2,220,684.83
  4. Step 4: Simplify right side
    3,939,564.77x = 12,073,158,475,989.29
  5. Step 5: Solve for x
    x = 12,073,158,475,989.29/3,939,564.77
  6. Step 6: Final answer
    x = 3,064,591.95

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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.