Home / 5,476,379.46-8,212,822.26-1,881,279.54

Finding the Fourth Proportional to 5,476,379.46, 8,212,822.26 and 1,881,279.54

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Solution

The fourth proportional to 5,476,379.46, 8,212,822.26 and 1,881,279.54 is: 2,821,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476,379.46 : 8,212,822.26 = 1,881,279.54 : x
  2. Step 2: Convert to fraction form
    5,476,379.46/8,212,822.26 = 1,881,279.54/x
  3. Step 3: Cross multiply
    5,476,379.46x = 8,212,822.26 × 1,881,279.54
  4. Step 4: Simplify right side
    5,476,379.46x = 15,450,614,483,394.56
  5. Step 5: Solve for x
    x = 15,450,614,483,394.56/5,476,379.46
  6. Step 6: Final answer
    x = 2,821,319.19

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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.