Home / 5,253,721.20-7,874,458.20-2,414,120.40

Finding the Fourth Proportional to 5,253,721.20, 7,874,458.20 and 2,414,120.40

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Solution

The fourth proportional to 5,253,721.20, 7,874,458.20 and 2,414,120.40 is: 3,618,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253,721.20 : 7,874,458.20 = 2,414,120.40 : x
  2. Step 2: Convert to fraction form
    5,253,721.20/7,874,458.20 = 2,414,120.40/x
  3. Step 3: Cross multiply
    5,253,721.20x = 7,874,458.20 × 2,414,120.40
  4. Step 4: Simplify right side
    5,253,721.20x = 19,009,890,179,567.28
  5. Step 5: Solve for x
    x = 19,009,890,179,567.28/5,253,721.20
  6. Step 6: Final answer
    x = 3,618,366.76

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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.