Home / 1,928,133.09-2,660,907.65-1,068,694.03

Finding the Fourth Proportional to 1,928,133.09, 2,660,907.65 and 1,068,694.03

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Solution

The fourth proportional to 1,928,133.09, 2,660,907.65 and 1,068,694.03 is: 1,474,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,133.09 : 2,660,907.65 = 1,068,694.03 : x
  2. Step 2: Convert to fraction form
    1,928,133.09/2,660,907.65 = 1,068,694.03/x
  3. Step 3: Cross multiply
    1,928,133.09x = 2,660,907.65 × 1,068,694.03
  4. Step 4: Simplify right side
    1,928,133.09x = 2,843,696,117,918.99
  5. Step 5: Solve for x
    x = 2,843,696,117,918.99/1,928,133.09
  6. Step 6: Final answer
    x = 1,474,844.31

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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.