Home / 3,913,305.60-5,867,042.40-2,021,404.80

Finding the Fourth Proportional to 3,913,305.60, 5,867,042.40 and 2,021,404.80

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Solution

The fourth proportional to 3,913,305.60, 5,867,042.40 and 2,021,404.80 is: 3,030,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,305.60 : 5,867,042.40 = 2,021,404.80 : x
  2. Step 2: Convert to fraction form
    3,913,305.60/5,867,042.40 = 2,021,404.80/x
  3. Step 3: Cross multiply
    3,913,305.60x = 5,867,042.40 × 2,021,404.80
  4. Step 4: Simplify right side
    3,913,305.60x = 11,859,667,669,163.52
  5. Step 5: Solve for x
    x = 11,859,667,669,163.52/3,913,305.60
  6. Step 6: Final answer
    x = 3,030,600.95

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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.