Home / 2,682,611.07-3,700,129.46-1,821,676.65

Finding the Fourth Proportional to 2,682,611.07, 3,700,129.46 and 1,821,676.65

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Solution

The fourth proportional to 2,682,611.07, 3,700,129.46 and 1,821,676.65 is: 2,512,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,611.07 : 3,700,129.46 = 1,821,676.65 : x
  2. Step 2: Convert to fraction form
    2,682,611.07/3,700,129.46 = 1,821,676.65/x
  3. Step 3: Cross multiply
    2,682,611.07x = 3,700,129.46 × 1,821,676.65
  4. Step 4: Simplify right side
    2,682,611.07x = 6,740,439,430,150.73
  5. Step 5: Solve for x
    x = 6,740,439,430,150.73/2,682,611.07
  6. Step 6: Final answer
    x = 2,512,641.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.