Home / 2,686,523.80-4,029,785.70-2,661,640.60

Finding the Fourth Proportional to 2,686,523.80, 4,029,785.70 and 2,661,640.60

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Solution

The fourth proportional to 2,686,523.80, 4,029,785.70 and 2,661,640.60 is: 3,992,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,523.80 : 4,029,785.70 = 2,661,640.60 : x
  2. Step 2: Convert to fraction form
    2,686,523.80/4,029,785.70 = 2,661,640.60/x
  3. Step 3: Cross multiply
    2,686,523.80x = 4,029,785.70 × 2,661,640.60
  4. Step 4: Simplify right side
    2,686,523.80x = 10,725,841,228,419.42
  5. Step 5: Solve for x
    x = 10,725,841,228,419.42/2,686,523.80
  6. Step 6: Final answer
    x = 3,992,460.90

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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.