Home / 3,391,409.07-4,680,143.44-1,863,614.61

Finding the Fourth Proportional to 3,391,409.07, 4,680,143.44 and 1,863,614.61

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Solution

The fourth proportional to 3,391,409.07, 4,680,143.44 and 1,863,614.61 is: 2,571,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,409.07 : 4,680,143.44 = 1,863,614.61 : x
  2. Step 2: Convert to fraction form
    3,391,409.07/4,680,143.44 = 1,863,614.61/x
  3. Step 3: Cross multiply
    3,391,409.07x = 4,680,143.44 × 1,863,614.61
  4. Step 4: Simplify right side
    3,391,409.07x = 8,721,983,687,020.62
  5. Step 5: Solve for x
    x = 8,721,983,687,020.62/3,391,409.07
  6. Step 6: Final answer
    x = 2,571,787.57

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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.