Home / 5,171,023.20-7,760,077.68-1,805,230.08

Finding the Fourth Proportional to 5,171,023.20, 7,760,077.68 and 1,805,230.08

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Solution

The fourth proportional to 5,171,023.20, 7,760,077.68 and 1,805,230.08 is: 2,709,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,023.20 : 7,760,077.68 = 1,805,230.08 : x
  2. Step 2: Convert to fraction form
    5,171,023.20/7,760,077.68 = 1,805,230.08/x
  3. Step 3: Cross multiply
    5,171,023.20x = 7,760,077.68 × 1,805,230.08
  4. Step 4: Simplify right side
    5,171,023.20x = 14,008,725,651,072.62
  5. Step 5: Solve for x
    x = 14,008,725,651,072.62/5,171,023.20
  6. Step 6: Final answer
    x = 2,709,081.96

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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.