Home / 2,144,241.22-2,958,843.45-1,238,803.78

Finding the Fourth Proportional to 2,144,241.22, 2,958,843.45 and 1,238,803.78

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Solution

The fourth proportional to 2,144,241.22, 2,958,843.45 and 1,238,803.78 is: 1,709,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,241.22 : 2,958,843.45 = 1,238,803.78 : x
  2. Step 2: Convert to fraction form
    2,144,241.22/2,958,843.45 = 1,238,803.78/x
  3. Step 3: Cross multiply
    2,144,241.22x = 2,958,843.45 × 1,238,803.78
  4. Step 4: Simplify right side
    2,144,241.22x = 3,665,426,450,288.24
  5. Step 5: Solve for x
    x = 3,665,426,450,288.24/2,144,241.22
  6. Step 6: Final answer
    x = 1,709,428.22

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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.