Home / 3,100,958.12-4,279,222.50-1,724,295.08

Finding the Fourth Proportional to 3,100,958.12, 4,279,222.50 and 1,724,295.08

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Solution

The fourth proportional to 3,100,958.12, 4,279,222.50 and 1,724,295.08 is: 2,379,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,958.12 : 4,279,222.50 = 1,724,295.08 : x
  2. Step 2: Convert to fraction form
    3,100,958.12/4,279,222.50 = 1,724,295.08/x
  3. Step 3: Cross multiply
    3,100,958.12x = 4,279,222.50 × 1,724,295.08
  4. Step 4: Simplify right side
    3,100,958.12x = 7,378,642,302,975.30
  5. Step 5: Solve for x
    x = 7,378,642,302,975.30/3,100,958.12
  6. Step 6: Final answer
    x = 2,379,471.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.