Home / 2,990,640.30-4,485,960.45-1,396,317.30

Finding the Fourth Proportional to 2,990,640.30, 4,485,960.45 and 1,396,317.30

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Solution

The fourth proportional to 2,990,640.30, 4,485,960.45 and 1,396,317.30 is: 2,094,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,640.30 : 4,485,960.45 = 1,396,317.30 : x
  2. Step 2: Convert to fraction form
    2,990,640.30/4,485,960.45 = 1,396,317.30/x
  3. Step 3: Cross multiply
    2,990,640.30x = 4,485,960.45 × 1,396,317.30
  4. Step 4: Simplify right side
    2,990,640.30x = 6,263,824,183,450.79
  5. Step 5: Solve for x
    x = 6,263,824,183,450.79/2,990,640.30
  6. Step 6: Final answer
    x = 2,094,475.95

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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.