Home / 3,214,278.72-4,821,261.84-1,192,916.64

Finding the Fourth Proportional to 3,214,278.72, 4,821,261.84 and 1,192,916.64

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Solution

The fourth proportional to 3,214,278.72, 4,821,261.84 and 1,192,916.64 is: 1,789,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,278.72 : 4,821,261.84 = 1,192,916.64 : x
  2. Step 2: Convert to fraction form
    3,214,278.72/4,821,261.84 = 1,192,916.64/x
  3. Step 3: Cross multiply
    3,214,278.72x = 4,821,261.84 × 1,192,916.64
  4. Step 4: Simplify right side
    3,214,278.72x = 5,751,363,474,733.02
  5. Step 5: Solve for x
    x = 5,751,363,474,733.02/3,214,278.72
  6. Step 6: Final answer
    x = 1,789,316.97

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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.