Home / 1,818,408.08-2,508,375.64-1,138,163.60

Finding the Fourth Proportional to 1,818,408.08, 2,508,375.64 and 1,138,163.60

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Solution

The fourth proportional to 1,818,408.08, 2,508,375.64 and 1,138,163.60 is: 1,570,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,408.08 : 2,508,375.64 = 1,138,163.60 : x
  2. Step 2: Convert to fraction form
    1,818,408.08/2,508,375.64 = 1,138,163.60/x
  3. Step 3: Cross multiply
    1,818,408.08x = 2,508,375.64 × 1,138,163.60
  4. Step 4: Simplify right side
    1,818,408.08x = 2,854,941,848,574.70
  5. Step 5: Solve for x
    x = 2,854,941,848,574.70/1,818,408.08
  6. Step 6: Final answer
    x = 1,570,022.64

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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.