Home / 5,481,753.60-8,222,630.40-2,642,152.80

Finding the Fourth Proportional to 5,481,753.60, 8,222,630.40 and 2,642,152.80

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Solution

The fourth proportional to 5,481,753.60, 8,222,630.40 and 2,642,152.80 is: 3,963,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,753.60 : 8,222,630.40 = 2,642,152.80 : x
  2. Step 2: Convert to fraction form
    5,481,753.60/8,222,630.40 = 2,642,152.80/x
  3. Step 3: Cross multiply
    5,481,753.60x = 8,222,630.40 × 2,642,152.80
  4. Step 4: Simplify right side
    5,481,753.60x = 21,725,445,934,725.12
  5. Step 5: Solve for x
    x = 21,725,445,934,725.12/5,481,753.60
  6. Step 6: Final answer
    x = 3,963,229.20

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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.