Home / 5,450,375.28-8,176,829.40-1,856,173.44

Finding the Fourth Proportional to 5,450,375.28, 8,176,829.40 and 1,856,173.44

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Solution

The fourth proportional to 5,450,375.28, 8,176,829.40 and 1,856,173.44 is: 2,784,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,375.28 : 8,176,829.40 = 1,856,173.44 : x
  2. Step 2: Convert to fraction form
    5,450,375.28/8,176,829.40 = 1,856,173.44/x
  3. Step 3: Cross multiply
    5,450,375.28x = 8,176,829.40 × 1,856,173.44
  4. Step 4: Simplify right side
    5,450,375.28x = 15,177,613,555,691.14
  5. Step 5: Solve for x
    x = 15,177,613,555,691.14/5,450,375.28
  6. Step 6: Final answer
    x = 2,784,691.47

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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.