Home / 3,813,512.38-5,262,685.05-2,071,215.78

Finding the Fourth Proportional to 3,813,512.38, 5,262,685.05 and 2,071,215.78

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Solution

The fourth proportional to 3,813,512.38, 5,262,685.05 and 2,071,215.78 is: 2,858,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813,512.38 : 5,262,685.05 = 2,071,215.78 : x
  2. Step 2: Convert to fraction form
    3,813,512.38/5,262,685.05 = 2,071,215.78/x
  3. Step 3: Cross multiply
    3,813,512.38x = 5,262,685.05 × 2,071,215.78
  4. Step 4: Simplify right side
    3,813,512.38x = 10,900,156,338,364.68
  5. Step 5: Solve for x
    x = 10,900,156,338,364.68/3,813,512.38
  6. Step 6: Final answer
    x = 2,858,298.40

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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.