Home / 3,578,825-4,938,778.50-1,969,193

Finding the Fourth Proportional to 3,578,825, 4,938,778.50 and 1,969,193

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Solution

The fourth proportional to 3,578,825, 4,938,778.50 and 1,969,193 is: 2,717,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,825 : 4,938,778.50 = 1,969,193 : x
  2. Step 2: Convert to fraction form
    3,578,825/4,938,778.50 = 1,969,193/x
  3. Step 3: Cross multiply
    3,578,825x = 4,938,778.50 × 1,969,193
  4. Step 4: Simplify right side
    3,578,825x = 9,725,408,050,750.50
  5. Step 5: Solve for x
    x = 9,725,408,050,750.50/3,578,825
  6. Step 6: Final answer
    x = 2,717,486.34

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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.