Home / 2,213,121.60-3,319,682.40-2,197,375.20

Finding the Fourth Proportional to 2,213,121.60, 3,319,682.40 and 2,197,375.20

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Solution

The fourth proportional to 2,213,121.60, 3,319,682.40 and 2,197,375.20 is: 3,296,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,121.60 : 3,319,682.40 = 2,197,375.20 : x
  2. Step 2: Convert to fraction form
    2,213,121.60/3,319,682.40 = 2,197,375.20/x
  3. Step 3: Cross multiply
    2,213,121.60x = 3,319,682.40 × 2,197,375.20
  4. Step 4: Simplify right side
    2,213,121.60x = 7,294,587,777,636.48
  5. Step 5: Solve for x
    x = 7,294,587,777,636.48/2,213,121.60
  6. Step 6: Final answer
    x = 3,296,062.80

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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.