Home / 2,149,550.22-3,221,880.92-1,123,298.21

Finding the Fourth Proportional to 2,149,550.22, 3,221,880.92 and 1,123,298.21

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Solution

The fourth proportional to 2,149,550.22, 3,221,880.92 and 1,123,298.21 is: 1,683,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,550.22 : 3,221,880.92 = 1,123,298.21 : x
  2. Step 2: Convert to fraction form
    2,149,550.22/3,221,880.92 = 1,123,298.21/x
  3. Step 3: Cross multiply
    2,149,550.22x = 3,221,880.92 × 1,123,298.21
  4. Step 4: Simplify right side
    2,149,550.22x = 3,619,133,076,919.73
  5. Step 5: Solve for x
    x = 3,619,133,076,919.73/2,149,550.22
  6. Step 6: Final answer
    x = 1,683,669.93

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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.