Home / 3,419,109.60-5,128,664.40-3,261,645.60

Finding the Fourth Proportional to 3,419,109.60, 5,128,664.40 and 3,261,645.60

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Solution

The fourth proportional to 3,419,109.60, 5,128,664.40 and 3,261,645.60 is: 4,892,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,109.60 : 5,128,664.40 = 3,261,645.60 : x
  2. Step 2: Convert to fraction form
    3,419,109.60/5,128,664.40 = 3,261,645.60/x
  3. Step 3: Cross multiply
    3,419,109.60x = 5,128,664.40 × 3,261,645.60
  4. Step 4: Simplify right side
    3,419,109.60x = 16,727,885,674,136.64
  5. Step 5: Solve for x
    x = 16,727,885,674,136.64/3,419,109.60
  6. Step 6: Final answer
    x = 4,892,468.40

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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.