Home / 2,755,729.81-3,803,149.40-1,515,558.66

Finding the Fourth Proportional to 2,755,729.81, 3,803,149.40 and 1,515,558.66

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Solution

The fourth proportional to 2,755,729.81, 3,803,149.40 and 1,515,558.66 is: 2,091,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,729.81 : 3,803,149.40 = 1,515,558.66 : x
  2. Step 2: Convert to fraction form
    2,755,729.81/3,803,149.40 = 1,515,558.66/x
  3. Step 3: Cross multiply
    2,755,729.81x = 3,803,149.40 × 1,515,558.66
  4. Step 4: Simplify right side
    2,755,729.81x = 5,763,896,008,443.80
  5. Step 5: Solve for x
    x = 5,763,896,008,443.80/2,755,729.81
  6. Step 6: Final answer
    x = 2,091,604.19

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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.