Home / 3,749,956.20-5,174,915.40-2,118,891.60

Finding the Fourth Proportional to 3,749,956.20, 5,174,915.40 and 2,118,891.60

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Solution

The fourth proportional to 3,749,956.20, 5,174,915.40 and 2,118,891.60 is: 2,924,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,956.20 : 5,174,915.40 = 2,118,891.60 : x
  2. Step 2: Convert to fraction form
    3,749,956.20/5,174,915.40 = 2,118,891.60/x
  3. Step 3: Cross multiply
    3,749,956.20x = 5,174,915.40 × 2,118,891.60
  4. Step 4: Simplify right side
    3,749,956.20x = 10,965,084,771,770.64
  5. Step 5: Solve for x
    x = 10,965,084,771,770.64/3,749,956.20
  6. Step 6: Final answer
    x = 2,924,056.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.