Home / 2,099,891.30-3,150,296.32-680,090.90

Finding the Fourth Proportional to 2,099,891.30, 3,150,296.32 and 680,090.90

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Solution

The fourth proportional to 2,099,891.30, 3,150,296.32 and 680,090.90 is: 1,020,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,891.30 : 3,150,296.32 = 680,090.90 : x
  2. Step 2: Convert to fraction form
    2,099,891.30/3,150,296.32 = 680,090.90/x
  3. Step 3: Cross multiply
    2,099,891.30x = 3,150,296.32 × 680,090.90
  4. Step 4: Simplify right side
    2,099,891.30x = 2,142,487,859,535.49
  5. Step 5: Solve for x
    x = 2,142,487,859,535.49/2,099,891.30
  6. Step 6: Final answer
    x = 1,020,285.13

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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.