Home / 3,451,708.69-5,178,310.41-1,321,792.88

Finding the Fourth Proportional to 3,451,708.69, 5,178,310.41 and 1,321,792.88

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Solution

The fourth proportional to 3,451,708.69, 5,178,310.41 and 1,321,792.88 is: 1,982,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,708.69 : 5,178,310.41 = 1,321,792.88 : x
  2. Step 2: Convert to fraction form
    3,451,708.69/5,178,310.41 = 1,321,792.88/x
  3. Step 3: Cross multiply
    3,451,708.69x = 5,178,310.41 × 1,321,792.88
  4. Step 4: Simplify right side
    3,451,708.69x = 6,844,653,831,125.96
  5. Step 5: Solve for x
    x = 6,844,653,831,125.96/3,451,708.69
  6. Step 6: Final answer
    x = 1,982,975.52

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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.