Home / 2,753,105.40-4,129,658.10-1,993,341.60

Finding the Fourth Proportional to 2,753,105.40, 4,129,658.10 and 1,993,341.60

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Solution

The fourth proportional to 2,753,105.40, 4,129,658.10 and 1,993,341.60 is: 2,990,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,105.40 : 4,129,658.10 = 1,993,341.60 : x
  2. Step 2: Convert to fraction form
    2,753,105.40/4,129,658.10 = 1,993,341.60/x
  3. Step 3: Cross multiply
    2,753,105.40x = 4,129,658.10 × 1,993,341.60
  4. Step 4: Simplify right side
    2,753,105.40x = 8,231,819,284,506.96
  5. Step 5: Solve for x
    x = 8,231,819,284,506.96/2,753,105.40
  6. Step 6: Final answer
    x = 2,990,012.40

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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.