Home / 2,601,400.20-3,900,350.70-1,387,177.80

Finding the Fourth Proportional to 2,601,400.20, 3,900,350.70 and 1,387,177.80

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Solution

The fourth proportional to 2,601,400.20, 3,900,350.70 and 1,387,177.80 is: 2,079,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601,400.20 : 3,900,350.70 = 1,387,177.80 : x
  2. Step 2: Convert to fraction form
    2,601,400.20/3,900,350.70 = 1,387,177.80/x
  3. Step 3: Cross multiply
    2,601,400.20x = 3,900,350.70 × 1,387,177.80
  4. Step 4: Simplify right side
    2,601,400.20x = 5,410,479,903,254.46
  5. Step 5: Solve for x
    x = 5,410,479,903,254.46/2,601,400.20
  6. Step 6: Final answer
    x = 2,079,833.74

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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.