Home / 5,279,947.75-7,286,327.90-2,865,499.75

Finding the Fourth Proportional to 5,279,947.75, 7,286,327.90 and 2,865,499.75

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Solution

The fourth proportional to 5,279,947.75, 7,286,327.90 and 2,865,499.75 is: 3,954,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,947.75 : 7,286,327.90 = 2,865,499.75 : x
  2. Step 2: Convert to fraction form
    5,279,947.75/7,286,327.90 = 2,865,499.75/x
  3. Step 3: Cross multiply
    5,279,947.75x = 7,286,327.90 × 2,865,499.75
  4. Step 4: Simplify right side
    5,279,947.75x = 20,878,970,775,868.03
  5. Step 5: Solve for x
    x = 20,878,970,775,868.03/5,279,947.75
  6. Step 6: Final answer
    x = 3,954,389.66

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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.