Home / 2,173,234-2,998,912.88-1,206,288.16

Finding the Fourth Proportional to 2,173,234, 2,998,912.88 and 1,206,288.16

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Solution

The fourth proportional to 2,173,234, 2,998,912.88 and 1,206,288.16 is: 1,664,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,234 : 2,998,912.88 = 1,206,288.16 : x
  2. Step 2: Convert to fraction form
    2,173,234/2,998,912.88 = 1,206,288.16/x
  3. Step 3: Cross multiply
    2,173,234x = 2,998,912.88 × 1,206,288.16
  4. Step 4: Simplify right side
    2,173,234x = 3,617,553,100,015.50
  5. Step 5: Solve for x
    x = 3,617,553,100,015.50/2,173,234
  6. Step 6: Final answer
    x = 1,664,594.38

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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.