Home / 1,389,001.36-2,093,912.88-1,296,414.40

Finding the Fourth Proportional to 1,389,001.36, 2,093,912.88 and 1,296,414.40

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Solution

The fourth proportional to 1,389,001.36, 2,093,912.88 and 1,296,414.40 is: 1,954,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,001.36 : 2,093,912.88 = 1,296,414.40 : x
  2. Step 2: Convert to fraction form
    1,389,001.36/2,093,912.88 = 1,296,414.40/x
  3. Step 3: Cross multiply
    1,389,001.36x = 2,093,912.88 × 1,296,414.40
  4. Step 4: Simplify right side
    1,389,001.36x = 2,714,578,809,977.47
  5. Step 5: Solve for x
    x = 2,714,578,809,977.47/1,389,001.36
  6. Step 6: Final answer
    x = 1,954,338.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.