Home / 5,228,961.75-7,216,142.43-2,905,952.16

Finding the Fourth Proportional to 5,228,961.75, 7,216,142.43 and 2,905,952.16

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Solution

The fourth proportional to 5,228,961.75, 7,216,142.43 and 2,905,952.16 is: 4,010,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,961.75 : 7,216,142.43 = 2,905,952.16 : x
  2. Step 2: Convert to fraction form
    5,228,961.75/7,216,142.43 = 2,905,952.16/x
  3. Step 3: Cross multiply
    5,228,961.75x = 7,216,142.43 × 2,905,952.16
  4. Step 4: Simplify right side
    5,228,961.75x = 20,969,764,645,245.43
  5. Step 5: Solve for x
    x = 20,969,764,645,245.43/5,228,961.75
  6. Step 6: Final answer
    x = 4,010,311.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.