Home / 3,900,132.56-5,845,407.39-2,190,682.47

Finding the Fourth Proportional to 3,900,132.56, 5,845,407.39 and 2,190,682.47

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Solution

The fourth proportional to 3,900,132.56, 5,845,407.39 and 2,190,682.47 is: 3,283,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,132.56 : 5,845,407.39 = 2,190,682.47 : x
  2. Step 2: Convert to fraction form
    3,900,132.56/5,845,407.39 = 2,190,682.47/x
  3. Step 3: Cross multiply
    3,900,132.56x = 5,845,407.39 × 2,190,682.47
  4. Step 4: Simplify right side
    3,900,132.56x = 12,805,431,521,201.73
  5. Step 5: Solve for x
    x = 12,805,431,521,201.73/3,900,132.56
  6. Step 6: Final answer
    x = 3,283,332.38

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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.