Home / 3,977,424.52-5,488,866.42-2,166,588.04

Finding the Fourth Proportional to 3,977,424.52, 5,488,866.42 and 2,166,588.04

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Solution

The fourth proportional to 3,977,424.52, 5,488,866.42 and 2,166,588.04 is: 2,989,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,424.52 : 5,488,866.42 = 2,166,588.04 : x
  2. Step 2: Convert to fraction form
    3,977,424.52/5,488,866.42 = 2,166,588.04/x
  3. Step 3: Cross multiply
    3,977,424.52x = 5,488,866.42 × 2,166,588.04
  4. Step 4: Simplify right side
    3,977,424.52x = 11,892,112,338,729.62
  5. Step 5: Solve for x
    x = 11,892,112,338,729.62/3,977,424.52
  6. Step 6: Final answer
    x = 2,989,902.71

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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.