Home / 3,919,692.60-5,409,327.43-2,177,493.91

Finding the Fourth Proportional to 3,919,692.60, 5,409,327.43 and 2,177,493.91

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Solution

The fourth proportional to 3,919,692.60, 5,409,327.43 and 2,177,493.91 is: 3,005,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,692.60 : 5,409,327.43 = 2,177,493.91 : x
  2. Step 2: Convert to fraction form
    3,919,692.60/5,409,327.43 = 2,177,493.91/x
  3. Step 3: Cross multiply
    3,919,692.60x = 5,409,327.43 × 2,177,493.91
  4. Step 4: Simplify right side
    3,919,692.60x = 11,778,777,536,020.95
  5. Step 5: Solve for x
    x = 11,778,777,536,020.95/3,919,692.60
  6. Step 6: Final answer
    x = 3,005,025.84

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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.