Home / 2,422,905.40-3,627,359.70-1,478,121.40

Finding the Fourth Proportional to 2,422,905.40, 3,627,359.70 and 1,478,121.40

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Solution

The fourth proportional to 2,422,905.40, 3,627,359.70 and 1,478,121.40 is: 2,212,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422,905.40 : 3,627,359.70 = 1,478,121.40 : x
  2. Step 2: Convert to fraction form
    2,422,905.40/3,627,359.70 = 1,478,121.40/x
  3. Step 3: Cross multiply
    2,422,905.40x = 3,627,359.70 × 1,478,121.40
  4. Step 4: Simplify right side
    2,422,905.40x = 5,361,677,998,067.58
  5. Step 5: Solve for x
    x = 5,361,677,998,067.58/2,422,905.40
  6. Step 6: Final answer
    x = 2,212,912.65

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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.