Home / 2,856,197.70-3,940,518.51-1,876,664.34

Finding the Fourth Proportional to 2,856,197.70, 3,940,518.51 and 1,876,664.34

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Solution

The fourth proportional to 2,856,197.70, 3,940,518.51 and 1,876,664.34 is: 2,589,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,197.70 : 3,940,518.51 = 1,876,664.34 : x
  2. Step 2: Convert to fraction form
    2,856,197.70/3,940,518.51 = 1,876,664.34/x
  3. Step 3: Cross multiply
    2,856,197.70x = 3,940,518.51 × 1,876,664.34
  4. Step 4: Simplify right side
    2,856,197.70x = 7,395,030,568,826.93
  5. Step 5: Solve for x
    x = 7,395,030,568,826.93/2,856,197.70
  6. Step 6: Final answer
    x = 2,589,117.19

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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.