Home / 4,082,912.80-6,124,369.20-3,138,128.80

Finding the Fourth Proportional to 4,082,912.80, 6,124,369.20 and 3,138,128.80

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Solution

The fourth proportional to 4,082,912.80, 6,124,369.20 and 3,138,128.80 is: 4,707,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082,912.80 : 6,124,369.20 = 3,138,128.80 : x
  2. Step 2: Convert to fraction form
    4,082,912.80/6,124,369.20 = 3,138,128.80/x
  3. Step 3: Cross multiply
    4,082,912.80x = 6,124,369.20 × 3,138,128.80
  4. Step 4: Simplify right side
    4,082,912.80x = 19,219,059,368,352.96
  5. Step 5: Solve for x
    x = 19,219,059,368,352.96/4,082,912.80
  6. Step 6: Final answer
    x = 4,707,193.20

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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.