Home / 3,101,353.50-4,279,240.66-1,811,944.76

Finding the Fourth Proportional to 3,101,353.50, 4,279,240.66 and 1,811,944.76

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Solution

The fourth proportional to 3,101,353.50, 4,279,240.66 and 1,811,944.76 is: 2,500,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,353.50 : 4,279,240.66 = 1,811,944.76 : x
  2. Step 2: Convert to fraction form
    3,101,353.50/4,279,240.66 = 1,811,944.76/x
  3. Step 3: Cross multiply
    3,101,353.50x = 4,279,240.66 × 1,811,944.76
  4. Step 4: Simplify right side
    3,101,353.50x = 7,753,747,690,665.94
  5. Step 5: Solve for x
    x = 7,753,747,690,665.94/3,101,353.50
  6. Step 6: Final answer
    x = 2,500,117.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.