Home / 2,218,896.05-3,328,533.83-779,453.67

Finding the Fourth Proportional to 2,218,896.05, 3,328,533.83 and 779,453.67

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Solution

The fourth proportional to 2,218,896.05, 3,328,533.83 and 779,453.67 is: 1,169,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,896.05 : 3,328,533.83 = 779,453.67 : x
  2. Step 2: Convert to fraction form
    2,218,896.05/3,328,533.83 = 779,453.67/x
  3. Step 3: Cross multiply
    2,218,896.05x = 3,328,533.83 × 779,453.67
  4. Step 4: Simplify right side
    2,218,896.05x = 2,594,437,888,972.72
  5. Step 5: Solve for x
    x = 2,594,437,888,972.72/2,218,896.05
  6. Step 6: Final answer
    x = 1,169,247.15

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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.