Home / 1,691,338.18-2,536,619.04-1,008,418.27

Finding the Fourth Proportional to 1,691,338.18, 2,536,619.04 and 1,008,418.27

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Solution

The fourth proportional to 1,691,338.18, 2,536,619.04 and 1,008,418.27 is: 1,512,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,338.18 : 2,536,619.04 = 1,008,418.27 : x
  2. Step 2: Convert to fraction form
    1,691,338.18/2,536,619.04 = 1,008,418.27/x
  3. Step 3: Cross multiply
    1,691,338.18x = 2,536,619.04 × 1,008,418.27
  4. Step 4: Simplify right side
    1,691,338.18x = 2,557,972,983,965.86
  5. Step 5: Solve for x
    x = 2,557,972,983,965.86/1,691,338.18
  6. Step 6: Final answer
    x = 1,512,395.93

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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.