Home / 2,856,839-4,286,460.18-1,778,253.44

Finding the Fourth Proportional to 2,856,839, 4,286,460.18 and 1,778,253.44

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Solution

The fourth proportional to 2,856,839, 4,286,460.18 and 1,778,253.44 is: 2,668,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,839 : 4,286,460.18 = 1,778,253.44 : x
  2. Step 2: Convert to fraction form
    2,856,839/4,286,460.18 = 1,778,253.44/x
  3. Step 3: Cross multiply
    2,856,839x = 4,286,460.18 × 1,778,253.44
  4. Step 4: Simplify right side
    2,856,839x = 7,622,412,560,508.02
  5. Step 5: Solve for x
    x = 7,622,412,560,508.02/2,856,839
  6. Step 6: Final answer
    x = 2,668,128.15

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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.