Home / 2,781,436.43-4,170,846.76-1,076,382.69

Finding the Fourth Proportional to 2,781,436.43, 4,170,846.76 and 1,076,382.69

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Solution

The fourth proportional to 2,781,436.43, 4,170,846.76 and 1,076,382.69 is: 1,614,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,436.43 : 4,170,846.76 = 1,076,382.69 : x
  2. Step 2: Convert to fraction form
    2,781,436.43/4,170,846.76 = 1,076,382.69/x
  3. Step 3: Cross multiply
    2,781,436.43x = 4,170,846.76 × 1,076,382.69
  4. Step 4: Simplify right side
    2,781,436.43x = 4,489,427,252,415.63
  5. Step 5: Solve for x
    x = 4,489,427,252,415.63/2,781,436.43
  6. Step 6: Final answer
    x = 1,614,067.90

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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.