Home / 2,755,821.96-3,803,116.70-1,515,367.87

Finding the Fourth Proportional to 2,755,821.96, 3,803,116.70 and 1,515,367.87

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Solution

The fourth proportional to 2,755,821.96, 3,803,116.70 and 1,515,367.87 is: 2,091,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,821.96 : 3,803,116.70 = 1,515,367.87 : x
  2. Step 2: Convert to fraction form
    2,755,821.96/3,803,116.70 = 1,515,367.87/x
  3. Step 3: Cross multiply
    2,755,821.96x = 3,803,116.70 × 1,515,367.87
  4. Step 4: Simplify right side
    2,755,821.96x = 5,763,120,853,040.43
  5. Step 5: Solve for x
    x = 5,763,120,853,040.43/2,755,821.96
  6. Step 6: Final answer
    x = 2,091,252.97

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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.