Home / 2,028,408.52-2,798,383.35-1,212,146.32

Finding the Fourth Proportional to 2,028,408.52, 2,798,383.35 and 1,212,146.32

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Solution

The fourth proportional to 2,028,408.52, 2,798,383.35 and 1,212,146.32 is: 1,672,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,408.52 : 2,798,383.35 = 1,212,146.32 : x
  2. Step 2: Convert to fraction form
    2,028,408.52/2,798,383.35 = 1,212,146.32/x
  3. Step 3: Cross multiply
    2,028,408.52x = 2,798,383.35 × 1,212,146.32
  4. Step 4: Simplify right side
    2,028,408.52x = 3,392,050,079,651.77
  5. Step 5: Solve for x
    x = 3,392,050,079,651.77/2,028,408.52
  6. Step 6: Final answer
    x = 1,672,271.66

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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.