Home / 1,898,286.07-2,620,857.38-1,693,985.64

Finding the Fourth Proportional to 1,898,286.07, 2,620,857.38 and 1,693,985.64

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Solution

The fourth proportional to 1,898,286.07, 2,620,857.38 and 1,693,985.64 is: 2,338,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,286.07 : 2,620,857.38 = 1,693,985.64 : x
  2. Step 2: Convert to fraction form
    1,898,286.07/2,620,857.38 = 1,693,985.64/x
  3. Step 3: Cross multiply
    1,898,286.07x = 2,620,857.38 × 1,693,985.64
  4. Step 4: Simplify right side
    1,898,286.07x = 4,439,694,766,208.02
  5. Step 5: Solve for x
    x = 4,439,694,766,208.02/1,898,286.07
  6. Step 6: Final answer
    x = 2,338,791.21

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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.