Home / 3,478,857.60-5,218,286.40-2,219,145.60

Finding the Fourth Proportional to 3,478,857.60, 5,218,286.40 and 2,219,145.60

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Solution

The fourth proportional to 3,478,857.60, 5,218,286.40 and 2,219,145.60 is: 3,328,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,857.60 : 5,218,286.40 = 2,219,145.60 : x
  2. Step 2: Convert to fraction form
    3,478,857.60/5,218,286.40 = 2,219,145.60/x
  3. Step 3: Cross multiply
    3,478,857.60x = 5,218,286.40 × 2,219,145.60
  4. Step 4: Simplify right side
    3,478,857.60x = 11,580,137,304,099.84
  5. Step 5: Solve for x
    x = 11,580,137,304,099.84/3,478,857.60
  6. Step 6: Final answer
    x = 3,328,718.40

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Similar ratio
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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.