Home / 2,753,186.87-4,129,861.78-1,314,021.94

Finding the Fourth Proportional to 2,753,186.87, 4,129,861.78 and 1,314,021.94

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Solution

The fourth proportional to 2,753,186.87, 4,129,861.78 and 1,314,021.94 is: 1,971,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,186.87 : 4,129,861.78 = 1,314,021.94 : x
  2. Step 2: Convert to fraction form
    2,753,186.87/4,129,861.78 = 1,314,021.94/x
  3. Step 3: Cross multiply
    2,753,186.87x = 4,129,861.78 × 1,314,021.94
  4. Step 4: Simplify right side
    2,753,186.87x = 5,426,728,979,405.33
  5. Step 5: Solve for x
    x = 5,426,728,979,405.33/2,753,186.87
  6. Step 6: Final answer
    x = 1,971,071.79

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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.