Home / 6,158,640.60-8,498,579.94-3,405,168.72

Finding the Fourth Proportional to 6,158,640.60, 8,498,579.94 and 3,405,168.72

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Solution

The fourth proportional to 6,158,640.60, 8,498,579.94 and 3,405,168.72 is: 4,698,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158,640.60 : 8,498,579.94 = 3,405,168.72 : x
  2. Step 2: Convert to fraction form
    6,158,640.60/8,498,579.94 = 3,405,168.72/x
  3. Step 3: Cross multiply
    6,158,640.60x = 8,498,579.94 × 3,405,168.72
  4. Step 4: Simplify right side
    6,158,640.60x = 28,939,098,576,107.48
  5. Step 5: Solve for x
    x = 28,939,098,576,107.48/6,158,640.60
  6. Step 6: Final answer
    x = 4,698,942.58

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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.