Home / 2,638,929.60-3,953,145.60-2,449,972.80

Finding the Fourth Proportional to 2,638,929.60, 3,953,145.60 and 2,449,972.80

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Solution

The fourth proportional to 2,638,929.60, 3,953,145.60 and 2,449,972.80 is: 3,670,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,929.60 : 3,953,145.60 = 2,449,972.80 : x
  2. Step 2: Convert to fraction form
    2,638,929.60/3,953,145.60 = 2,449,972.80/x
  3. Step 3: Cross multiply
    2,638,929.60x = 3,953,145.60 × 2,449,972.80
  4. Step 4: Simplify right side
    2,638,929.60x = 9,685,099,194,439.68
  5. Step 5: Solve for x
    x = 9,685,099,194,439.68/2,638,929.60
  6. Step 6: Final answer
    x = 3,670,086.23

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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.