Home / 5,101,825.56-7,040,195.76-2,809,986.06

Finding the Fourth Proportional to 5,101,825.56, 7,040,195.76 and 2,809,986.06

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Solution

The fourth proportional to 5,101,825.56, 7,040,195.76 and 2,809,986.06 is: 3,877,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,825.56 : 7,040,195.76 = 2,809,986.06 : x
  2. Step 2: Convert to fraction form
    5,101,825.56/7,040,195.76 = 2,809,986.06/x
  3. Step 3: Cross multiply
    5,101,825.56x = 7,040,195.76 × 2,809,986.06
  4. Step 4: Simplify right side
    5,101,825.56x = 19,782,851,945,271.11
  5. Step 5: Solve for x
    x = 19,782,851,945,271.11/5,101,825.56
  6. Step 6: Final answer
    x = 3,877,602.58

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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.