Home / 2,103,144.20-3,154,910.70-840,710.60

Finding the Fourth Proportional to 2,103,144.20, 3,154,910.70 and 840,710.60

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Solution

The fourth proportional to 2,103,144.20, 3,154,910.70 and 840,710.60 is: 1,261,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,144.20 : 3,154,910.70 = 840,710.60 : x
  2. Step 2: Convert to fraction form
    2,103,144.20/3,154,910.70 = 840,710.60/x
  3. Step 3: Cross multiply
    2,103,144.20x = 3,154,910.70 × 840,710.60
  4. Step 4: Simplify right side
    2,103,144.20x = 2,652,366,867,543.42
  5. Step 5: Solve for x
    x = 2,652,366,867,543.42/2,103,144.20
  6. Step 6: Final answer
    x = 1,261,143.61

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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.