Home / 3,986,530.32-5,982,116.32-1,680,878.86

Finding the Fourth Proportional to 3,986,530.32, 5,982,116.32 and 1,680,878.86

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Solution

The fourth proportional to 3,986,530.32, 5,982,116.32 and 1,680,878.86 is: 2,522,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,530.32 : 5,982,116.32 = 1,680,878.86 : x
  2. Step 2: Convert to fraction form
    3,986,530.32/5,982,116.32 = 1,680,878.86/x
  3. Step 3: Cross multiply
    3,986,530.32x = 5,982,116.32 × 1,680,878.86
  4. Step 4: Simplify right side
    3,986,530.32x = 10,055,212,861,521.13
  5. Step 5: Solve for x
    x = 10,055,212,861,521.13/3,986,530.32
  6. Step 6: Final answer
    x = 2,522,296.85

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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.