Home / 5,775,171.21-7,969,723.76-3,161,654.12

Finding the Fourth Proportional to 5,775,171.21, 7,969,723.76 and 3,161,654.12

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Solution

The fourth proportional to 5,775,171.21, 7,969,723.76 and 3,161,654.12 is: 4,363,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775,171.21 : 7,969,723.76 = 3,161,654.12 : x
  2. Step 2: Convert to fraction form
    5,775,171.21/7,969,723.76 = 3,161,654.12/x
  3. Step 3: Cross multiply
    5,775,171.21x = 7,969,723.76 × 3,161,654.12
  4. Step 4: Simplify right side
    5,775,171.21x = 25,197,509,905,409.00
  5. Step 5: Solve for x
    x = 25,197,509,905,409.00/5,775,171.21
  6. Step 6: Final answer
    x = 4,363,075.83

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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.