Home / 2,930,611.80-4,395,917.70-2,641,344.60

Finding the Fourth Proportional to 2,930,611.80, 4,395,917.70 and 2,641,344.60

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Solution

The fourth proportional to 2,930,611.80, 4,395,917.70 and 2,641,344.60 is: 3,962,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,611.80 : 4,395,917.70 = 2,641,344.60 : x
  2. Step 2: Convert to fraction form
    2,930,611.80/4,395,917.70 = 2,641,344.60/x
  3. Step 3: Cross multiply
    2,930,611.80x = 4,395,917.70 × 2,641,344.60
  4. Step 4: Simplify right side
    2,930,611.80x = 11,611,133,478,939.42
  5. Step 5: Solve for x
    x = 11,611,133,478,939.42/2,930,611.80
  6. Step 6: Final answer
    x = 3,962,016.90

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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.