Home / 2,489,597.28-3,435,749.87-1,387,027.71

Finding the Fourth Proportional to 2,489,597.28, 3,435,749.87 and 1,387,027.71

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Solution

The fourth proportional to 2,489,597.28, 3,435,749.87 and 1,387,027.71 is: 1,914,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,597.28 : 3,435,749.87 = 1,387,027.71 : x
  2. Step 2: Convert to fraction form
    2,489,597.28/3,435,749.87 = 1,387,027.71/x
  3. Step 3: Cross multiply
    2,489,597.28x = 3,435,749.87 × 1,387,027.71
  4. Step 4: Simplify right side
    2,489,597.28x = 4,765,480,250,205.01
  5. Step 5: Solve for x
    x = 4,765,480,250,205.01/2,489,597.28
  6. Step 6: Final answer
    x = 1,914,157.08

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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.