Home / 2,755,019.40-4,132,529.10-1,993,287.30

Finding the Fourth Proportional to 2,755,019.40, 4,132,529.10 and 1,993,287.30

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Solution

The fourth proportional to 2,755,019.40, 4,132,529.10 and 1,993,287.30 is: 2,989,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,019.40 : 4,132,529.10 = 1,993,287.30 : x
  2. Step 2: Convert to fraction form
    2,755,019.40/4,132,529.10 = 1,993,287.30/x
  3. Step 3: Cross multiply
    2,755,019.40x = 4,132,529.10 × 1,993,287.30
  4. Step 4: Simplify right side
    2,755,019.40x = 8,237,317,771,910.43
  5. Step 5: Solve for x
    x = 8,237,317,771,910.43/2,755,019.40
  6. Step 6: Final answer
    x = 2,989,930.95

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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.