Home / 3,938,108.58-5,908,159.15-1,098,221.02

Finding the Fourth Proportional to 3,938,108.58, 5,908,159.15 and 1,098,221.02

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Solution

The fourth proportional to 3,938,108.58, 5,908,159.15 and 1,098,221.02 is: 1,647,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,108.58 : 5,908,159.15 = 1,098,221.02 : x
  2. Step 2: Convert to fraction form
    3,938,108.58/5,908,159.15 = 1,098,221.02/x
  3. Step 3: Cross multiply
    3,938,108.58x = 5,908,159.15 × 1,098,221.02
  4. Step 4: Simplify right side
    3,938,108.58x = 6,488,464,568,035.33
  5. Step 5: Solve for x
    x = 6,488,464,568,035.33/3,938,108.58
  6. Step 6: Final answer
    x = 1,647,609.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.