Home / 3,451,689.59-5,178,281.76-1,321,773.80

Finding the Fourth Proportional to 3,451,689.59, 5,178,281.76 and 1,321,773.80

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Solution

The fourth proportional to 3,451,689.59, 5,178,281.76 and 1,321,773.80 is: 1,982,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,689.59 : 5,178,281.76 = 1,321,773.80 : x
  2. Step 2: Convert to fraction form
    3,451,689.59/5,178,281.76 = 1,321,773.80/x
  3. Step 3: Cross multiply
    3,451,689.59x = 5,178,281.76 × 1,321,773.80
  4. Step 4: Simplify right side
    3,451,689.59x = 6,844,517,133,494.48
  5. Step 5: Solve for x
    x = 6,844,517,133,494.48/3,451,689.59
  6. Step 6: Final answer
    x = 1,982,946.89

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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.