Home / 3,120,809.60-4,305,500.68-1,958,577.66

Finding the Fourth Proportional to 3,120,809.60, 4,305,500.68 and 1,958,577.66

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Solution

The fourth proportional to 3,120,809.60, 4,305,500.68 and 1,958,577.66 is: 2,702,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,809.60 : 4,305,500.68 = 1,958,577.66 : x
  2. Step 2: Convert to fraction form
    3,120,809.60/4,305,500.68 = 1,958,577.66/x
  3. Step 3: Cross multiply
    3,120,809.60x = 4,305,500.68 × 1,958,577.66
  4. Step 4: Simplify right side
    3,120,809.60x = 8,432,657,446,962.81
  5. Step 5: Solve for x
    x = 8,432,657,446,962.81/3,120,809.60
  6. Step 6: Final answer
    x = 2,702,073.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.