Home / 6,474,375.60-9,711,563.40-2,213,905.20

Finding the Fourth Proportional to 6,474,375.60, 9,711,563.40 and 2,213,905.20

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Solution

The fourth proportional to 6,474,375.60, 9,711,563.40 and 2,213,905.20 is: 3,320,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,375.60 : 9,711,563.40 = 2,213,905.20 : x
  2. Step 2: Convert to fraction form
    6,474,375.60/9,711,563.40 = 2,213,905.20/x
  3. Step 3: Cross multiply
    6,474,375.60x = 9,711,563.40 × 2,213,905.20
  4. Step 4: Simplify right side
    6,474,375.60x = 21,500,480,711,389.68
  5. Step 5: Solve for x
    x = 21,500,480,711,389.68/6,474,375.60
  6. Step 6: Final answer
    x = 3,320,857.80

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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.