Home / 1,898,286.32-2,620,857.73-1,693,985.90

Finding the Fourth Proportional to 1,898,286.32, 2,620,857.73 and 1,693,985.90

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Solution

The fourth proportional to 1,898,286.32, 2,620,857.73 and 1,693,985.90 is: 2,338,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,286.32 : 2,620,857.73 = 1,693,985.90 : x
  2. Step 2: Convert to fraction form
    1,898,286.32/2,620,857.73 = 1,693,985.90/x
  3. Step 3: Cross multiply
    1,898,286.32x = 2,620,857.73 × 1,693,985.90
  4. Step 4: Simplify right side
    1,898,286.32x = 4,439,696,027,421.72
  5. Step 5: Solve for x
    x = 4,439,696,027,421.72/1,898,286.32
  6. Step 6: Final answer
    x = 2,338,791.56

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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.