Home / 3,848,619.80-5,771,568.90-1,323,687.80

Finding the Fourth Proportional to 3,848,619.80, 5,771,568.90 and 1,323,687.80

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Solution

The fourth proportional to 3,848,619.80, 5,771,568.90 and 1,323,687.80 is: 1,985,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,619.80 : 5,771,568.90 = 1,323,687.80 : x
  2. Step 2: Convert to fraction form
    3,848,619.80/5,771,568.90 = 1,323,687.80/x
  3. Step 3: Cross multiply
    3,848,619.80x = 5,771,568.90 × 1,323,687.80
  4. Step 4: Simplify right side
    3,848,619.80x = 7,639,755,339,789.42
  5. Step 5: Solve for x
    x = 7,639,755,339,789.42/3,848,619.80
  6. Step 6: Final answer
    x = 1,985,063.67

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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.