Home / 2,690,644.60-4,033,958.10-1,625,462.20

Finding the Fourth Proportional to 2,690,644.60, 4,033,958.10 and 1,625,462.20

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Solution

The fourth proportional to 2,690,644.60, 4,033,958.10 and 1,625,462.20 is: 2,436,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,644.60 : 4,033,958.10 = 1,625,462.20 : x
  2. Step 2: Convert to fraction form
    2,690,644.60/4,033,958.10 = 1,625,462.20/x
  3. Step 3: Cross multiply
    2,690,644.60x = 4,033,958.10 × 1,625,462.20
  4. Step 4: Simplify right side
    2,690,644.60x = 6,557,046,407,933.82
  5. Step 5: Solve for x
    x = 6,557,046,407,933.82/2,690,644.60
  6. Step 6: Final answer
    x = 2,436,979.75

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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.