Home / 3,177,286.36-4,384,638.73-1,726,989.61

Finding the Fourth Proportional to 3,177,286.36, 4,384,638.73 and 1,726,989.61

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Solution

The fourth proportional to 3,177,286.36, 4,384,638.73 and 1,726,989.61 is: 2,383,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,286.36 : 4,384,638.73 = 1,726,989.61 : x
  2. Step 2: Convert to fraction form
    3,177,286.36/4,384,638.73 = 1,726,989.61/x
  3. Step 3: Cross multiply
    3,177,286.36x = 4,384,638.73 × 1,726,989.61
  4. Step 4: Simplify right side
    3,177,286.36x = 7,572,225,527,303.27
  5. Step 5: Solve for x
    x = 7,572,225,527,303.27/3,177,286.36
  6. Step 6: Final answer
    x = 2,383,236.72

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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.