Home / 5,169,296.52-7,758,732.21-2,612,310.78

Finding the Fourth Proportional to 5,169,296.52, 7,758,732.21 and 2,612,310.78

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Solution

The fourth proportional to 5,169,296.52, 7,758,732.21 and 2,612,310.78 is: 3,920,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,296.52 : 7,758,732.21 = 2,612,310.78 : x
  2. Step 2: Convert to fraction form
    5,169,296.52/7,758,732.21 = 2,612,310.78/x
  3. Step 3: Cross multiply
    5,169,296.52x = 7,758,732.21 × 2,612,310.78
  4. Step 4: Simplify right side
    5,169,296.52x = 20,268,219,791,316.22
  5. Step 5: Solve for x
    x = 20,268,219,791,316.22/5,169,296.52
  6. Step 6: Final answer
    x = 3,920,885.50

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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.