Home / 2,208,861.55-3,313,296.88-611,429.36

Finding the Fourth Proportional to 2,208,861.55, 3,313,296.88 and 611,429.36

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Solution

The fourth proportional to 2,208,861.55, 3,313,296.88 and 611,429.36 is: 917,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,861.55 : 3,313,296.88 = 611,429.36 : x
  2. Step 2: Convert to fraction form
    2,208,861.55/3,313,296.88 = 611,429.36/x
  3. Step 3: Cross multiply
    2,208,861.55x = 3,313,296.88 × 611,429.36
  4. Step 4: Simplify right side
    2,208,861.55x = 2,025,846,997,583.07
  5. Step 5: Solve for x
    x = 2,025,846,997,583.07/2,208,861.55
  6. Step 6: Final answer
    x = 917,145.30

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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.