Home / 2,938,892.90-4,408,339.35-809,305.70

Finding the Fourth Proportional to 2,938,892.90, 4,408,339.35 and 809,305.70

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Solution

The fourth proportional to 2,938,892.90, 4,408,339.35 and 809,305.70 is: 1,213,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,892.90 : 4,408,339.35 = 809,305.70 : x
  2. Step 2: Convert to fraction form
    2,938,892.90/4,408,339.35 = 809,305.70/x
  3. Step 3: Cross multiply
    2,938,892.90x = 4,408,339.35 × 809,305.70
  4. Step 4: Simplify right side
    2,938,892.90x = 3,567,694,163,489.29
  5. Step 5: Solve for x
    x = 3,567,694,163,489.29/2,938,892.90
  6. Step 6: Final answer
    x = 1,213,958.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.