Home / 2,545,165.80-3,512,330.98-1,399,265.64

Finding the Fourth Proportional to 2,545,165.80, 3,512,330.98 and 1,399,265.64

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Solution

The fourth proportional to 2,545,165.80, 3,512,330.98 and 1,399,265.64 is: 1,930,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,165.80 : 3,512,330.98 = 1,399,265.64 : x
  2. Step 2: Convert to fraction form
    2,545,165.80/3,512,330.98 = 1,399,265.64/x
  3. Step 3: Cross multiply
    2,545,165.80x = 3,512,330.98 × 1,399,265.64
  4. Step 4: Simplify right side
    2,545,165.80x = 4,914,684,056,621.53
  5. Step 5: Solve for x
    x = 4,914,684,056,621.53/2,545,165.80
  6. Step 6: Final answer
    x = 1,930,987.78

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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.