Home / 2,660,918.56-3,991,321.14-863,799.12

Finding the Fourth Proportional to 2,660,918.56, 3,991,321.14 and 863,799.12

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Solution

The fourth proportional to 2,660,918.56, 3,991,321.14 and 863,799.12 is: 1,295,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,918.56 : 3,991,321.14 = 863,799.12 : x
  2. Step 2: Convert to fraction form
    2,660,918.56/3,991,321.14 = 863,799.12/x
  3. Step 3: Cross multiply
    2,660,918.56x = 3,991,321.14 × 863,799.12
  4. Step 4: Simplify right side
    2,660,918.56x = 3,447,699,688,369.40
  5. Step 5: Solve for x
    x = 3,447,699,688,369.40/2,660,918.56
  6. Step 6: Final answer
    x = 1,295,680.27

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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.