Home / 2,145,002.88-2,959,988.16-1,227,249.92

Finding the Fourth Proportional to 2,145,002.88, 2,959,988.16 and 1,227,249.92

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Solution

The fourth proportional to 2,145,002.88, 2,959,988.16 and 1,227,249.92 is: 1,693,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,002.88 : 2,959,988.16 = 1,227,249.92 : x
  2. Step 2: Convert to fraction form
    2,145,002.88/2,959,988.16 = 1,227,249.92/x
  3. Step 3: Cross multiply
    2,145,002.88x = 2,959,988.16 × 1,227,249.92
  4. Step 4: Simplify right side
    2,145,002.88x = 3,632,645,232,560.95
  5. Step 5: Solve for x
    x = 3,632,645,232,560.95/2,145,002.88
  6. Step 6: Final answer
    x = 1,693,538.63

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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.