Home / 5,213,589.30-7,820,383.95-1,619,327.70

Finding the Fourth Proportional to 5,213,589.30, 7,820,383.95 and 1,619,327.70

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Solution

The fourth proportional to 5,213,589.30, 7,820,383.95 and 1,619,327.70 is: 2,428,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,589.30 : 7,820,383.95 = 1,619,327.70 : x
  2. Step 2: Convert to fraction form
    5,213,589.30/7,820,383.95 = 1,619,327.70/x
  3. Step 3: Cross multiply
    5,213,589.30x = 7,820,383.95 × 1,619,327.70
  4. Step 4: Simplify right side
    5,213,589.30x = 12,663,764,354,870.41
  5. Step 5: Solve for x
    x = 12,663,764,354,870.41/5,213,589.30
  6. Step 6: Final answer
    x = 2,428,991.55

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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.