Home / 3,190,383.42-4,782,885.12-1,391,947.80

Finding the Fourth Proportional to 3,190,383.42, 4,782,885.12 and 1,391,947.80

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Solution

The fourth proportional to 3,190,383.42, 4,782,885.12 and 1,391,947.80 is: 2,086,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,383.42 : 4,782,885.12 = 1,391,947.80 : x
  2. Step 2: Convert to fraction form
    3,190,383.42/4,782,885.12 = 1,391,947.80/x
  3. Step 3: Cross multiply
    3,190,383.42x = 4,782,885.12 × 1,391,947.80
  4. Step 4: Simplify right side
    3,190,383.42x = 6,657,526,420,436.74
  5. Step 5: Solve for x
    x = 6,657,526,420,436.74/3,190,383.42
  6. Step 6: Final answer
    x = 2,086,748.06

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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.