Home / 5,509,854.78-8,251,036.83-3,481,980.90

Finding the Fourth Proportional to 5,509,854.78, 8,251,036.83 and 3,481,980.90

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Solution

The fourth proportional to 5,509,854.78, 8,251,036.83 and 3,481,980.90 is: 5,214,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,854.78 : 8,251,036.83 = 3,481,980.90 : x
  2. Step 2: Convert to fraction form
    5,509,854.78/8,251,036.83 = 3,481,980.90/x
  3. Step 3: Cross multiply
    5,509,854.78x = 8,251,036.83 × 3,481,980.90
  4. Step 4: Simplify right side
    5,509,854.78x = 28,729,952,647,256.55
  5. Step 5: Solve for x
    x = 28,729,952,647,256.55/5,509,854.78
  6. Step 6: Final answer
    x = 5,214,284.91

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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.