Home / 2,315,812.96-3,195,784.56-1,297,214.56

Finding the Fourth Proportional to 2,315,812.96, 3,195,784.56 and 1,297,214.56

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Solution

The fourth proportional to 2,315,812.96, 3,195,784.56 and 1,297,214.56 is: 1,790,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,812.96 : 3,195,784.56 = 1,297,214.56 : x
  2. Step 2: Convert to fraction form
    2,315,812.96/3,195,784.56 = 1,297,214.56/x
  3. Step 3: Cross multiply
    2,315,812.96x = 3,195,784.56 × 1,297,214.56
  4. Step 4: Simplify right side
    2,315,812.96x = 4,145,618,261,855.19
  5. Step 5: Solve for x
    x = 4,145,618,261,855.19/2,315,812.96
  6. Step 6: Final answer
    x = 1,790,135.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.