Home / 1,856,291.31-2,561,800.39-1,040,495.20

Finding the Fourth Proportional to 1,856,291.31, 2,561,800.39 and 1,040,495.20

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Solution

The fourth proportional to 1,856,291.31, 2,561,800.39 and 1,040,495.20 is: 1,435,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,291.31 : 2,561,800.39 = 1,040,495.20 : x
  2. Step 2: Convert to fraction form
    1,856,291.31/2,561,800.39 = 1,040,495.20/x
  3. Step 3: Cross multiply
    1,856,291.31x = 2,561,800.39 × 1,040,495.20
  4. Step 4: Simplify right side
    1,856,291.31x = 2,665,540,996,344.13
  5. Step 5: Solve for x
    x = 2,665,540,996,344.13/1,856,291.31
  6. Step 6: Final answer
    x = 1,435,949.73

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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.