Home / 2,379,468.40-3,561,912.60-1,311,240.40

Finding the Fourth Proportional to 2,379,468.40, 3,561,912.60 and 1,311,240.40

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Solution

The fourth proportional to 2,379,468.40, 3,561,912.60 and 1,311,240.40 is: 1,962,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,468.40 : 3,561,912.60 = 1,311,240.40 : x
  2. Step 2: Convert to fraction form
    2,379,468.40/3,561,912.60 = 1,311,240.40/x
  3. Step 3: Cross multiply
    2,379,468.40x = 3,561,912.60 × 1,311,240.40
  4. Step 4: Simplify right side
    2,379,468.40x = 4,670,523,702,389.04
  5. Step 5: Solve for x
    x = 4,670,523,702,389.04/2,379,468.40
  6. Step 6: Final answer
    x = 1,962,843.34

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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.