Home / 2,128,276.40-3,192,414.60-2,100,282.80

Finding the Fourth Proportional to 2,128,276.40, 3,192,414.60 and 2,100,282.80

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Solution

The fourth proportional to 2,128,276.40, 3,192,414.60 and 2,100,282.80 is: 3,150,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,276.40 : 3,192,414.60 = 2,100,282.80 : x
  2. Step 2: Convert to fraction form
    2,128,276.40/3,192,414.60 = 2,100,282.80/x
  3. Step 3: Cross multiply
    2,128,276.40x = 3,192,414.60 × 2,100,282.80
  4. Step 4: Simplify right side
    2,128,276.40x = 6,704,973,474,848.88
  5. Step 5: Solve for x
    x = 6,704,973,474,848.88/2,128,276.40
  6. Step 6: Final answer
    x = 3,150,424.20

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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.