Home / 2,767,578.56-3,819,171.76-1,622,421.60

Finding the Fourth Proportional to 2,767,578.56, 3,819,171.76 and 1,622,421.60

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Solution

The fourth proportional to 2,767,578.56, 3,819,171.76 and 1,622,421.60 is: 2,238,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,578.56 : 3,819,171.76 = 1,622,421.60 : x
  2. Step 2: Convert to fraction form
    2,767,578.56/3,819,171.76 = 1,622,421.60/x
  3. Step 3: Cross multiply
    2,767,578.56x = 3,819,171.76 × 1,622,421.60
  4. Step 4: Simplify right side
    2,767,578.56x = 6,196,306,757,534.02
  5. Step 5: Solve for x
    x = 6,196,306,757,534.02/2,767,578.56
  6. Step 6: Final answer
    x = 2,238,891.01

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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.