Home / 6,766,122-10,148,102.20-1,972,690.32

Finding the Fourth Proportional to 6,766,122, 10,148,102.20 and 1,972,690.32

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Solution

The fourth proportional to 6,766,122, 10,148,102.20 and 1,972,690.32 is: 2,958,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,122 : 10,148,102.20 = 1,972,690.32 : x
  2. Step 2: Convert to fraction form
    6,766,122/10,148,102.20 = 1,972,690.32/x
  3. Step 3: Cross multiply
    6,766,122x = 10,148,102.20 × 1,972,690.32
  4. Step 4: Simplify right side
    6,766,122x = 20,019,062,976,310.70
  5. Step 5: Solve for x
    x = 20,019,062,976,310.70/6,766,122
  6. Step 6: Final answer
    x = 2,958,720.37

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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.