Home / 2,871,635.20-4,307,107.20-1,188,563.20

Finding the Fourth Proportional to 2,871,635.20, 4,307,107.20 and 1,188,563.20

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Solution

The fourth proportional to 2,871,635.20, 4,307,107.20 and 1,188,563.20 is: 1,782,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,635.20 : 4,307,107.20 = 1,188,563.20 : x
  2. Step 2: Convert to fraction form
    2,871,635.20/4,307,107.20 = 1,188,563.20/x
  3. Step 3: Cross multiply
    2,871,635.20x = 4,307,107.20 × 1,188,563.20
  4. Step 4: Simplify right side
    2,871,635.20x = 5,119,269,116,375.04
  5. Step 5: Solve for x
    x = 5,119,269,116,375.04/2,871,635.20
  6. Step 6: Final answer
    x = 1,782,701.76

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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.