Home / 5,390,129.10-8,085,193.65-2,193,609.90

Finding the Fourth Proportional to 5,390,129.10, 8,085,193.65 and 2,193,609.90

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Solution

The fourth proportional to 5,390,129.10, 8,085,193.65 and 2,193,609.90 is: 3,290,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,129.10 : 8,085,193.65 = 2,193,609.90 : x
  2. Step 2: Convert to fraction form
    5,390,129.10/8,085,193.65 = 2,193,609.90/x
  3. Step 3: Cross multiply
    5,390,129.10x = 8,085,193.65 × 2,193,609.90
  4. Step 4: Simplify right side
    5,390,129.10x = 17,735,760,834,057.14
  5. Step 5: Solve for x
    x = 17,735,760,834,057.14/5,390,129.10
  6. Step 6: Final answer
    x = 3,290,414.85

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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.