Home / 2,151,524.80-3,227,287.20-1,919,281.60

Finding the Fourth Proportional to 2,151,524.80, 3,227,287.20 and 1,919,281.60

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Solution

The fourth proportional to 2,151,524.80, 3,227,287.20 and 1,919,281.60 is: 2,878,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,524.80 : 3,227,287.20 = 1,919,281.60 : x
  2. Step 2: Convert to fraction form
    2,151,524.80/3,227,287.20 = 1,919,281.60/x
  3. Step 3: Cross multiply
    2,151,524.80x = 3,227,287.20 × 1,919,281.60
  4. Step 4: Simplify right side
    2,151,524.80x = 6,194,072,940,875.52
  5. Step 5: Solve for x
    x = 6,194,072,940,875.52/2,151,524.80
  6. Step 6: Final answer
    x = 2,878,922.40

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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.