Home / 4,890,540.80-7,336,135.20-1,296,257.60

Finding the Fourth Proportional to 4,890,540.80, 7,336,135.20 and 1,296,257.60

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Solution

The fourth proportional to 4,890,540.80, 7,336,135.20 and 1,296,257.60 is: 1,944,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,540.80 : 7,336,135.20 = 1,296,257.60 : x
  2. Step 2: Convert to fraction form
    4,890,540.80/7,336,135.20 = 1,296,257.60/x
  3. Step 3: Cross multiply
    4,890,540.80x = 7,336,135.20 × 1,296,257.60
  4. Step 4: Simplify right side
    4,890,540.80x = 9,509,521,007,627.52
  5. Step 5: Solve for x
    x = 9,509,521,007,627.52/4,890,540.80
  6. Step 6: Final answer
    x = 1,944,472.28

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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.