Home / 3,435,721.52-5,145,730.94-1,639,865.55

Finding the Fourth Proportional to 3,435,721.52, 5,145,730.94 and 1,639,865.55

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Solution

The fourth proportional to 3,435,721.52, 5,145,730.94 and 1,639,865.55 is: 2,456,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,721.52 : 5,145,730.94 = 1,639,865.55 : x
  2. Step 2: Convert to fraction form
    3,435,721.52/5,145,730.94 = 1,639,865.55/x
  3. Step 3: Cross multiply
    3,435,721.52x = 5,145,730.94 × 1,639,865.55
  4. Step 4: Simplify right side
    3,435,721.52x = 8,438,306,921,471.27
  5. Step 5: Solve for x
    x = 8,438,306,921,471.27/3,435,721.52
  6. Step 6: Final answer
    x = 2,456,050.90

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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.