Home / 1,969,289.40-2,717,676.30-1,109,802.36

Finding the Fourth Proportional to 1,969,289.40, 2,717,676.30 and 1,109,802.36

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Solution

The fourth proportional to 1,969,289.40, 2,717,676.30 and 1,109,802.36 is: 1,531,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,289.40 : 2,717,676.30 = 1,109,802.36 : x
  2. Step 2: Convert to fraction form
    1,969,289.40/2,717,676.30 = 1,109,802.36/x
  3. Step 3: Cross multiply
    1,969,289.40x = 2,717,676.30 × 1,109,802.36
  4. Step 4: Simplify right side
    1,969,289.40x = 3,016,083,571,456.07
  5. Step 5: Solve for x
    x = 3,016,083,571,456.07/1,969,289.40
  6. Step 6: Final answer
    x = 1,531,559.34

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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.