Home / 3,642,188.20-5,465,250.60-1,620,744.10

Finding the Fourth Proportional to 3,642,188.20, 5,465,250.60 and 1,620,744.10

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Solution

The fourth proportional to 3,642,188.20, 5,465,250.60 and 1,620,744.10 is: 2,431,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,188.20 : 5,465,250.60 = 1,620,744.10 : x
  2. Step 2: Convert to fraction form
    3,642,188.20/5,465,250.60 = 1,620,744.10/x
  3. Step 3: Cross multiply
    3,642,188.20x = 5,465,250.60 × 1,620,744.10
  4. Step 4: Simplify right side
    3,642,188.20x = 8,857,772,664,971.46
  5. Step 5: Solve for x
    x = 8,857,772,664,971.46/3,642,188.20
  6. Step 6: Final answer
    x = 2,431,992.03

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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.