Home / 5,489,158.40-8,238,403.20-4,425,401.60

Finding the Fourth Proportional to 5,489,158.40, 8,238,403.20 and 4,425,401.60

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Solution

The fourth proportional to 5,489,158.40, 8,238,403.20 and 4,425,401.60 is: 6,641,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489,158.40 : 8,238,403.20 = 4,425,401.60 : x
  2. Step 2: Convert to fraction form
    5,489,158.40/8,238,403.20 = 4,425,401.60/x
  3. Step 3: Cross multiply
    5,489,158.40x = 8,238,403.20 × 4,425,401.60
  4. Step 4: Simplify right side
    5,489,158.40x = 36,458,242,702,725.12
  5. Step 5: Solve for x
    x = 36,458,242,702,725.12/5,489,158.40
  6. Step 6: Final answer
    x = 6,641,863.84

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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.