Home / 5,631,079.20-8,448,368.40-2,219,796.60

Finding the Fourth Proportional to 5,631,079.20, 8,448,368.40 and 2,219,796.60

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Solution

The fourth proportional to 5,631,079.20, 8,448,368.40 and 2,219,796.60 is: 3,330,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,079.20 : 8,448,368.40 = 2,219,796.60 : x
  2. Step 2: Convert to fraction form
    5,631,079.20/8,448,368.40 = 2,219,796.60/x
  3. Step 3: Cross multiply
    5,631,079.20x = 8,448,368.40 × 2,219,796.60
  4. Step 4: Simplify right side
    5,631,079.20x = 18,753,659,449,867.44
  5. Step 5: Solve for x
    x = 18,753,659,449,867.44/5,631,079.20
  6. Step 6: Final answer
    x = 3,330,384.60

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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.