Home / 2,192,172.15-3,288,184.11-772,191.12

Finding the Fourth Proportional to 2,192,172.15, 3,288,184.11 and 772,191.12

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Solution

The fourth proportional to 2,192,172.15, 3,288,184.11 and 772,191.12 is: 1,158,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,172.15 : 3,288,184.11 = 772,191.12 : x
  2. Step 2: Convert to fraction form
    2,192,172.15/3,288,184.11 = 772,191.12/x
  3. Step 3: Cross multiply
    2,192,172.15x = 3,288,184.11 × 772,191.12
  4. Step 4: Simplify right side
    2,192,172.15x = 2,539,106,570,667.10
  5. Step 5: Solve for x
    x = 2,539,106,570,667.10/2,192,172.15
  6. Step 6: Final answer
    x = 1,158,260.57

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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.