Home / 3,979,380.87-5,487,644.37-2,526,554.03

Finding the Fourth Proportional to 3,979,380.87, 5,487,644.37 and 2,526,554.03

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Solution

The fourth proportional to 3,979,380.87, 5,487,644.37 and 2,526,554.03 is: 3,484,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,380.87 : 5,487,644.37 = 2,526,554.03 : x
  2. Step 2: Convert to fraction form
    3,979,380.87/5,487,644.37 = 2,526,554.03/x
  3. Step 3: Cross multiply
    3,979,380.87x = 5,487,644.37 × 2,526,554.03
  4. Step 4: Simplify right side
    3,979,380.87x = 13,864,829,970,792.09
  5. Step 5: Solve for x
    x = 13,864,829,970,792.09/3,979,380.87
  6. Step 6: Final answer
    x = 3,484,167.62

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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.