Home / 2,147,640.20-3,221,460.30-651,806.60

Finding the Fourth Proportional to 2,147,640.20, 3,221,460.30 and 651,806.60

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Solution

The fourth proportional to 2,147,640.20, 3,221,460.30 and 651,806.60 is: 977,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,640.20 : 3,221,460.30 = 651,806.60 : x
  2. Step 2: Convert to fraction form
    2,147,640.20/3,221,460.30 = 651,806.60/x
  3. Step 3: Cross multiply
    2,147,640.20x = 3,221,460.30 × 651,806.60
  4. Step 4: Simplify right side
    2,147,640.20x = 2,099,769,085,177.98
  5. Step 5: Solve for x
    x = 2,099,769,085,177.98/2,147,640.20
  6. Step 6: Final answer
    x = 977,709.90

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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.