Home / 3,058,681.47-4,220,891.21-1,682,023.75

Finding the Fourth Proportional to 3,058,681.47, 4,220,891.21 and 1,682,023.75

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Solution

The fourth proportional to 3,058,681.47, 4,220,891.21 and 1,682,023.75 is: 2,321,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,681.47 : 4,220,891.21 = 1,682,023.75 : x
  2. Step 2: Convert to fraction form
    3,058,681.47/4,220,891.21 = 1,682,023.75/x
  3. Step 3: Cross multiply
    3,058,681.47x = 4,220,891.21 × 1,682,023.75
  4. Step 4: Simplify right side
    3,058,681.47x = 7,099,639,255,083.51
  5. Step 5: Solve for x
    x = 7,099,639,255,083.51/3,058,681.47
  6. Step 6: Final answer
    x = 2,321,143.71

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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.