Home / 2,978,453.80-4,467,680.70-2,185,301.80

Finding the Fourth Proportional to 2,978,453.80, 4,467,680.70 and 2,185,301.80

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Solution

The fourth proportional to 2,978,453.80, 4,467,680.70 and 2,185,301.80 is: 3,277,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,453.80 : 4,467,680.70 = 2,185,301.80 : x
  2. Step 2: Convert to fraction form
    2,978,453.80/4,467,680.70 = 2,185,301.80/x
  3. Step 3: Cross multiply
    2,978,453.80x = 4,467,680.70 × 2,185,301.80
  4. Step 4: Simplify right side
    2,978,453.80x = 9,763,230,675,535.26
  5. Step 5: Solve for x
    x = 9,763,230,675,535.26/2,978,453.80
  6. Step 6: Final answer
    x = 3,277,952.70

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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.