Home / 5,397,065.40-8,090,414.10-3,120,252.60

Finding the Fourth Proportional to 5,397,065.40, 8,090,414.10 and 3,120,252.60

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Solution

The fourth proportional to 5,397,065.40, 8,090,414.10 and 3,120,252.60 is: 4,677,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,065.40 : 8,090,414.10 = 3,120,252.60 : x
  2. Step 2: Convert to fraction form
    5,397,065.40/8,090,414.10 = 3,120,252.60/x
  3. Step 3: Cross multiply
    5,397,065.40x = 8,090,414.10 × 3,120,252.60
  4. Step 4: Simplify right side
    5,397,065.40x = 25,244,135,630,601.66
  5. Step 5: Solve for x
    x = 25,244,135,630,601.66/5,397,065.40
  6. Step 6: Final answer
    x = 4,677,381.83

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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.