Home / 3,218,221.67-4,441,148.82-1,768,011.05

Finding the Fourth Proportional to 3,218,221.67, 4,441,148.82 and 1,768,011.05

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Solution

The fourth proportional to 3,218,221.67, 4,441,148.82 and 1,768,011.05 is: 2,439,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,221.67 : 4,441,148.82 = 1,768,011.05 : x
  2. Step 2: Convert to fraction form
    3,218,221.67/4,441,148.82 = 1,768,011.05/x
  3. Step 3: Cross multiply
    3,218,221.67x = 4,441,148.82 × 1,768,011.05
  4. Step 4: Simplify right side
    3,218,221.67x = 7,852,000,188,454.46
  5. Step 5: Solve for x
    x = 7,852,000,188,454.46/3,218,221.67
  6. Step 6: Final answer
    x = 2,439,856.85

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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.