Home / 3,856,892.64-5,322,154.05-2,137,866.90

Finding the Fourth Proportional to 3,856,892.64, 5,322,154.05 and 2,137,866.90

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Solution

The fourth proportional to 3,856,892.64, 5,322,154.05 and 2,137,866.90 is: 2,950,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,892.64 : 5,322,154.05 = 2,137,866.90 : x
  2. Step 2: Convert to fraction form
    3,856,892.64/5,322,154.05 = 2,137,866.90/x
  3. Step 3: Cross multiply
    3,856,892.64x = 5,322,154.05 × 2,137,866.90
  4. Step 4: Simplify right side
    3,856,892.64x = 11,378,056,980,195.94
  5. Step 5: Solve for x
    x = 11,378,056,980,195.94/3,856,892.64
  6. Step 6: Final answer
    x = 2,950,058.00

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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.