Home / 3,188,912.30-4,780,535.93-1,243,192.37

Finding the Fourth Proportional to 3,188,912.30, 4,780,535.93 and 1,243,192.37

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Solution

The fourth proportional to 3,188,912.30, 4,780,535.93 and 1,243,192.37 is: 1,863,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,912.30 : 4,780,535.93 = 1,243,192.37 : x
  2. Step 2: Convert to fraction form
    3,188,912.30/4,780,535.93 = 1,243,192.37/x
  3. Step 3: Cross multiply
    3,188,912.30x = 4,780,535.93 × 1,243,192.37
  4. Step 4: Simplify right side
    3,188,912.30x = 5,943,125,768,784.17
  5. Step 5: Solve for x
    x = 5,943,125,768,784.17/3,188,912.30
  6. Step 6: Final answer
    x = 1,863,684.29

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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.