Home / 2,227,138.64-3,073,459.56-1,208,543.12

Finding the Fourth Proportional to 2,227,138.64, 3,073,459.56 and 1,208,543.12

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Solution

The fourth proportional to 2,227,138.64, 3,073,459.56 and 1,208,543.12 is: 1,667,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,138.64 : 3,073,459.56 = 1,208,543.12 : x
  2. Step 2: Convert to fraction form
    2,227,138.64/3,073,459.56 = 1,208,543.12/x
  3. Step 3: Cross multiply
    2,227,138.64x = 3,073,459.56 × 1,208,543.12
  4. Step 4: Simplify right side
    2,227,138.64x = 3,714,408,405,836.23
  5. Step 5: Solve for x
    x = 3,714,408,405,836.23/2,227,138.64
  6. Step 6: Final answer
    x = 1,667,793.98

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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.