Home / 4,920,652.20-7,380,978.30-3,660,940.20

Finding the Fourth Proportional to 4,920,652.20, 7,380,978.30 and 3,660,940.20

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Solution

The fourth proportional to 4,920,652.20, 7,380,978.30 and 3,660,940.20 is: 5,491,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,652.20 : 7,380,978.30 = 3,660,940.20 : x
  2. Step 2: Convert to fraction form
    4,920,652.20/7,380,978.30 = 3,660,940.20/x
  3. Step 3: Cross multiply
    4,920,652.20x = 7,380,978.30 × 3,660,940.20
  4. Step 4: Simplify right side
    4,920,652.20x = 27,021,320,173,797.66
  5. Step 5: Solve for x
    x = 27,021,320,173,797.66/4,920,652.20
  6. Step 6: Final answer
    x = 5,491,410.30

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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.