Home / 2,709,311.81-4,061,122.90-911,571.16

Finding the Fourth Proportional to 2,709,311.81, 4,061,122.90 and 911,571.16

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Solution

The fourth proportional to 2,709,311.81, 4,061,122.90 and 911,571.16 is: 1,366,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,311.81 : 4,061,122.90 = 911,571.16 : x
  2. Step 2: Convert to fraction form
    2,709,311.81/4,061,122.90 = 911,571.16/x
  3. Step 3: Cross multiply
    2,709,311.81x = 4,061,122.90 × 911,571.16
  4. Step 4: Simplify right side
    2,709,311.81x = 3,702,002,512,855.56
  5. Step 5: Solve for x
    x = 3,702,002,512,855.56/2,709,311.81
  6. Step 6: Final answer
    x = 1,366,399.58

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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.