Home / 2,709,791.88-4,066,262.45-1,213,883.88

Finding the Fourth Proportional to 2,709,791.88, 4,066,262.45 and 1,213,883.88

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Solution

The fourth proportional to 2,709,791.88, 4,066,262.45 and 1,213,883.88 is: 1,821,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,791.88 : 4,066,262.45 = 1,213,883.88 : x
  2. Step 2: Convert to fraction form
    2,709,791.88/4,066,262.45 = 1,213,883.88/x
  3. Step 3: Cross multiply
    2,709,791.88x = 4,066,262.45 × 1,213,883.88
  4. Step 4: Simplify right side
    2,709,791.88x = 4,935,970,439,904.31
  5. Step 5: Solve for x
    x = 4,935,970,439,904.31/2,709,791.88
  6. Step 6: Final answer
    x = 1,821,531.19

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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.