Home / 3,011,921.42-4,155,249.58-1,923,910.79

Finding the Fourth Proportional to 3,011,921.42, 4,155,249.58 and 1,923,910.79

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Solution

The fourth proportional to 3,011,921.42, 4,155,249.58 and 1,923,910.79 is: 2,654,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,921.42 : 4,155,249.58 = 1,923,910.79 : x
  2. Step 2: Convert to fraction form
    3,011,921.42/4,155,249.58 = 1,923,910.79/x
  3. Step 3: Cross multiply
    3,011,921.42x = 4,155,249.58 × 1,923,910.79
  4. Step 4: Simplify right side
    3,011,921.42x = 7,994,329,476,518.94
  5. Step 5: Solve for x
    x = 7,994,329,476,518.94/3,011,921.42
  6. Step 6: Final answer
    x = 2,654,229.10

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1.5x scale

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.