Home / 3,451,446.30-5,177,169.45-2,920,005.30

Finding the Fourth Proportional to 3,451,446.30, 5,177,169.45 and 2,920,005.30

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Solution

The fourth proportional to 3,451,446.30, 5,177,169.45 and 2,920,005.30 is: 4,380,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,446.30 : 5,177,169.45 = 2,920,005.30 : x
  2. Step 2: Convert to fraction form
    3,451,446.30/5,177,169.45 = 2,920,005.30/x
  3. Step 3: Cross multiply
    3,451,446.30x = 5,177,169.45 × 2,920,005.30
  4. Step 4: Simplify right side
    3,451,446.30x = 15,117,362,232,998.08
  5. Step 5: Solve for x
    x = 15,117,362,232,998.08/3,451,446.30
  6. Step 6: Final answer
    x = 4,380,007.95

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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.