Home / 6,520,847.40-9,781,703.10-1,728,469.80

Finding the Fourth Proportional to 6,520,847.40, 9,781,703.10 and 1,728,469.80

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Solution

The fourth proportional to 6,520,847.40, 9,781,703.10 and 1,728,469.80 is: 2,592,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,847.40 : 9,781,703.10 = 1,728,469.80 : x
  2. Step 2: Convert to fraction form
    6,520,847.40/9,781,703.10 = 1,728,469.80/x
  3. Step 3: Cross multiply
    6,520,847.40x = 9,781,703.10 × 1,728,469.80
  4. Step 4: Simplify right side
    6,520,847.40x = 16,907,378,400,916.38
  5. Step 5: Solve for x
    x = 16,907,378,400,916.38/6,520,847.40
  6. Step 6: Final answer
    x = 2,592,819.21

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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.