Home / 2,617,286.86-3,925,924.32-820,307.26

Finding the Fourth Proportional to 2,617,286.86, 3,925,924.32 and 820,307.26

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Solution

The fourth proportional to 2,617,286.86, 3,925,924.32 and 820,307.26 is: 1,230,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,286.86 : 3,925,924.32 = 820,307.26 : x
  2. Step 2: Convert to fraction form
    2,617,286.86/3,925,924.32 = 820,307.26/x
  3. Step 3: Cross multiply
    2,617,286.86x = 3,925,924.32 × 820,307.26
  4. Step 4: Simplify right side
    2,617,286.86x = 3,220,464,221,906.56
  5. Step 5: Solve for x
    x = 3,220,464,221,906.56/2,617,286.86
  6. Step 6: Final answer
    x = 1,230,459.02

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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.