Home / 2,164,268.76-3,243,297.60-1,215,642.96

Finding the Fourth Proportional to 2,164,268.76, 3,243,297.60 and 1,215,642.96

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Solution

The fourth proportional to 2,164,268.76, 3,243,297.60 and 1,215,642.96 is: 1,821,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,268.76 : 3,243,297.60 = 1,215,642.96 : x
  2. Step 2: Convert to fraction form
    2,164,268.76/3,243,297.60 = 1,215,642.96/x
  3. Step 3: Cross multiply
    2,164,268.76x = 3,243,297.60 × 1,215,642.96
  4. Step 4: Simplify right side
    2,164,268.76x = 3,942,691,894,624.90
  5. Step 5: Solve for x
    x = 3,942,691,894,624.90/2,164,268.76
  6. Step 6: Final answer
    x = 1,821,720.10

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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.