Home / 5,180,825.60-7,771,238.40-3,669,171.20

Finding the Fourth Proportional to 5,180,825.60, 7,771,238.40 and 3,669,171.20

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Solution

The fourth proportional to 5,180,825.60, 7,771,238.40 and 3,669,171.20 is: 5,503,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,825.60 : 7,771,238.40 = 3,669,171.20 : x
  2. Step 2: Convert to fraction form
    5,180,825.60/7,771,238.40 = 3,669,171.20/x
  3. Step 3: Cross multiply
    5,180,825.60x = 7,771,238.40 × 3,669,171.20
  4. Step 4: Simplify right side
    5,180,825.60x = 28,514,004,125,614.08
  5. Step 5: Solve for x
    x = 28,514,004,125,614.08/5,180,825.60
  6. Step 6: Final answer
    x = 5,503,756.80

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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.