Home / 3,986,601.40-5,979,902.10-3,962,981.80

Finding the Fourth Proportional to 3,986,601.40, 5,979,902.10 and 3,962,981.80

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Solution

The fourth proportional to 3,986,601.40, 5,979,902.10 and 3,962,981.80 is: 5,944,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,601.40 : 5,979,902.10 = 3,962,981.80 : x
  2. Step 2: Convert to fraction form
    3,986,601.40/5,979,902.10 = 3,962,981.80/x
  3. Step 3: Cross multiply
    3,986,601.40x = 5,979,902.10 × 3,962,981.80
  4. Step 4: Simplify right side
    3,986,601.40x = 23,698,243,188,081.78
  5. Step 5: Solve for x
    x = 23,698,243,188,081.78/3,986,601.40
  6. Step 6: Final answer
    x = 5,944,472.70

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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.