Home / 4,161,216.80-6,243,380.40-1,638,630.56

Finding the Fourth Proportional to 4,161,216.80, 6,243,380.40 and 1,638,630.56

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Solution

The fourth proportional to 4,161,216.80, 6,243,380.40 and 1,638,630.56 is: 2,458,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161,216.80 : 6,243,380.40 = 1,638,630.56 : x
  2. Step 2: Convert to fraction form
    4,161,216.80/6,243,380.40 = 1,638,630.56/x
  3. Step 3: Cross multiply
    4,161,216.80x = 6,243,380.40 × 1,638,630.56
  4. Step 4: Simplify right side
    4,161,216.80x = 10,230,593,921,145.03
  5. Step 5: Solve for x
    x = 10,230,593,921,145.03/4,161,216.80
  6. Step 6: Final answer
    x = 2,458,558.26

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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.