Home / 5,579,171.76-8,360,766.87-3,178,059

Finding the Fourth Proportional to 5,579,171.76, 8,360,766.87 and 3,178,059

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Solution

The fourth proportional to 5,579,171.76, 8,360,766.87 and 3,178,059 is: 4,762,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579,171.76 : 8,360,766.87 = 3,178,059 : x
  2. Step 2: Convert to fraction form
    5,579,171.76/8,360,766.87 = 3,178,059/x
  3. Step 3: Cross multiply
    5,579,171.76x = 8,360,766.87 × 3,178,059
  4. Step 4: Simplify right side
    5,579,171.76x = 26,571,010,398,105.33
  5. Step 5: Solve for x
    x = 26,571,010,398,105.33/5,579,171.76
  6. Step 6: Final answer
    x = 4,762,536.72

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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.