Home / 3,171,928.35-4,377,143.85-1,721,592.74

Finding the Fourth Proportional to 3,171,928.35, 4,377,143.85 and 1,721,592.74

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Solution

The fourth proportional to 3,171,928.35, 4,377,143.85 and 1,721,592.74 is: 2,375,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,928.35 : 4,377,143.85 = 1,721,592.74 : x
  2. Step 2: Convert to fraction form
    3,171,928.35/4,377,143.85 = 1,721,592.74/x
  3. Step 3: Cross multiply
    3,171,928.35x = 4,377,143.85 × 1,721,592.74
  4. Step 4: Simplify right side
    3,171,928.35x = 7,535,659,074,095.65
  5. Step 5: Solve for x
    x = 7,535,659,074,095.65/3,171,928.35
  6. Step 6: Final answer
    x = 2,375,734.33

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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.