Home / 3,081,036.20-4,250,397.16-1,993,658.78

Finding the Fourth Proportional to 3,081,036.20, 4,250,397.16 and 1,993,658.78

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Solution

The fourth proportional to 3,081,036.20, 4,250,397.16 and 1,993,658.78 is: 2,750,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,036.20 : 4,250,397.16 = 1,993,658.78 : x
  2. Step 2: Convert to fraction form
    3,081,036.20/4,250,397.16 = 1,993,658.78/x
  3. Step 3: Cross multiply
    3,081,036.20x = 4,250,397.16 × 1,993,658.78
  4. Step 4: Simplify right side
    3,081,036.20x = 8,473,841,616,521.07
  5. Step 5: Solve for x
    x = 8,473,841,616,521.07/3,081,036.20
  6. Step 6: Final answer
    x = 2,750,321.99

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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.