Home / 3,413,143.20-5,125,619.70-2,220,353.40

Finding the Fourth Proportional to 3,413,143.20, 5,125,619.70 and 2,220,353.40

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Solution

The fourth proportional to 3,413,143.20, 5,125,619.70 and 2,220,353.40 is: 3,334,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,143.20 : 5,125,619.70 = 2,220,353.40 : x
  2. Step 2: Convert to fraction form
    3,413,143.20/5,125,619.70 = 2,220,353.40/x
  3. Step 3: Cross multiply
    3,413,143.20x = 5,125,619.70 × 2,220,353.40
  4. Step 4: Simplify right side
    3,413,143.20x = 11,380,687,128,001.98
  5. Step 5: Solve for x
    x = 11,380,687,128,001.98/3,413,143.20
  6. Step 6: Final answer
    x = 3,334,371.42

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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.