Home / 3,980,085.73-5,491,963.41-2,237,516.93

Finding the Fourth Proportional to 3,980,085.73, 5,491,963.41 and 2,237,516.93

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Solution

The fourth proportional to 3,980,085.73, 5,491,963.41 and 2,237,516.93 is: 3,087,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,085.73 : 5,491,963.41 = 2,237,516.93 : x
  2. Step 2: Convert to fraction form
    3,980,085.73/5,491,963.41 = 2,237,516.93/x
  3. Step 3: Cross multiply
    3,980,085.73x = 5,491,963.41 × 2,237,516.93
  4. Step 4: Simplify right side
    3,980,085.73x = 12,288,361,108,815.53
  5. Step 5: Solve for x
    x = 12,288,361,108,815.53/3,980,085.73
  6. Step 6: Final answer
    x = 3,087,461.42

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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.