Home / 6,190,652.20-9,285,978.30-1,930,813.60

Finding the Fourth Proportional to 6,190,652.20, 9,285,978.30 and 1,930,813.60

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Solution

The fourth proportional to 6,190,652.20, 9,285,978.30 and 1,930,813.60 is: 2,896,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190,652.20 : 9,285,978.30 = 1,930,813.60 : x
  2. Step 2: Convert to fraction form
    6,190,652.20/9,285,978.30 = 1,930,813.60/x
  3. Step 3: Cross multiply
    6,190,652.20x = 9,285,978.30 × 1,930,813.60
  4. Step 4: Simplify right side
    6,190,652.20x = 17,929,493,190,944.88
  5. Step 5: Solve for x
    x = 17,929,493,190,944.88/6,190,652.20
  6. Step 6: Final answer
    x = 2,896,220.40

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Similar ratio
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1.5x scale

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.