Home / 5,279,994-7,286,391.72-2,865,546

Finding the Fourth Proportional to 5,279,994, 7,286,391.72 and 2,865,546

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Solution

The fourth proportional to 5,279,994, 7,286,391.72 and 2,865,546 is: 3,954,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,994 : 7,286,391.72 = 2,865,546 : x
  2. Step 2: Convert to fraction form
    5,279,994/7,286,391.72 = 2,865,546/x
  3. Step 3: Cross multiply
    5,279,994x = 7,286,391.72 × 2,865,546
  4. Step 4: Simplify right side
    5,279,994x = 20,879,490,647,679.12
  5. Step 5: Solve for x
    x = 20,879,490,647,679.12/5,279,994
  6. Step 6: Final answer
    x = 3,954,453.48

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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.