Home / 1,945,518.72-2,682,699.84-1,265,193.60

Finding the Fourth Proportional to 1,945,518.72, 2,682,699.84 and 1,265,193.60

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Solution

The fourth proportional to 1,945,518.72, 2,682,699.84 and 1,265,193.60 is: 1,744,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,518.72 : 2,682,699.84 = 1,265,193.60 : x
  2. Step 2: Convert to fraction form
    1,945,518.72/2,682,699.84 = 1,265,193.60/x
  3. Step 3: Cross multiply
    1,945,518.72x = 2,682,699.84 × 1,265,193.60
  4. Step 4: Simplify right side
    1,945,518.72x = 3,394,134,668,289.02
  5. Step 5: Solve for x
    x = 3,394,134,668,289.02/1,945,518.72
  6. Step 6: Final answer
    x = 1,744,591.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.