Home / 5,390,519.10-8,085,778.65-2,193,999.90

Finding the Fourth Proportional to 5,390,519.10, 8,085,778.65 and 2,193,999.90

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Solution

The fourth proportional to 5,390,519.10, 8,085,778.65 and 2,193,999.90 is: 3,290,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,519.10 : 8,085,778.65 = 2,193,999.90 : x
  2. Step 2: Convert to fraction form
    5,390,519.10/8,085,778.65 = 2,193,999.90/x
  3. Step 3: Cross multiply
    5,390,519.10x = 8,085,778.65 × 2,193,999.90
  4. Step 4: Simplify right side
    5,390,519.10x = 17,740,197,549,522.14
  5. Step 5: Solve for x
    x = 17,740,197,549,522.14/5,390,519.10
  6. Step 6: Final answer
    x = 3,290,999.85

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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.