Home / 2,591,806.23-3,887,446.86-698,739.03

Finding the Fourth Proportional to 2,591,806.23, 3,887,446.86 and 698,739.03

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Solution

The fourth proportional to 2,591,806.23, 3,887,446.86 and 698,739.03 is: 1,048,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,806.23 : 3,887,446.86 = 698,739.03 : x
  2. Step 2: Convert to fraction form
    2,591,806.23/3,887,446.86 = 698,739.03/x
  3. Step 3: Cross multiply
    2,591,806.23x = 3,887,446.86 × 698,739.03
  4. Step 4: Simplify right side
    2,591,806.23x = 2,716,310,848,132.95
  5. Step 5: Solve for x
    x = 2,716,310,848,132.95/2,591,806.23
  6. Step 6: Final answer
    x = 1,048,037.78

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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.