Home / 5,317,687.53-7,974,858.21-1,722,620.39

Finding the Fourth Proportional to 5,317,687.53, 7,974,858.21 and 1,722,620.39

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Solution

The fourth proportional to 5,317,687.53, 7,974,858.21 and 1,722,620.39 is: 2,583,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,687.53 : 7,974,858.21 = 1,722,620.39 : x
  2. Step 2: Convert to fraction form
    5,317,687.53/7,974,858.21 = 1,722,620.39/x
  3. Step 3: Cross multiply
    5,317,687.53x = 7,974,858.21 × 1,722,620.39
  4. Step 4: Simplify right side
    5,317,687.53x = 13,737,653,320,030.61
  5. Step 5: Solve for x
    x = 13,737,653,320,030.61/5,317,687.53
  6. Step 6: Final answer
    x = 2,583,388.60

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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.