Home / 3,943,857-5,916,439.17-1,384,407.86

Finding the Fourth Proportional to 3,943,857, 5,916,439.17 and 1,384,407.86

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Solution

The fourth proportional to 3,943,857, 5,916,439.17 and 1,384,407.86 is: 2,076,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,857 : 5,916,439.17 = 1,384,407.86 : x
  2. Step 2: Convert to fraction form
    3,943,857/5,916,439.17 = 1,384,407.86/x
  3. Step 3: Cross multiply
    3,943,857x = 5,916,439.17 × 1,384,407.86
  4. Step 4: Simplify right side
    3,943,857x = 8,190,764,890,159.88
  5. Step 5: Solve for x
    x = 8,190,764,890,159.88/3,943,857
  6. Step 6: Final answer
    x = 2,076,841.25

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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.