Home / 1,968,872.40-2,717,100.36-1,109,385.36

Finding the Fourth Proportional to 1,968,872.40, 2,717,100.36 and 1,109,385.36

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Solution

The fourth proportional to 1,968,872.40, 2,717,100.36 and 1,109,385.36 is: 1,530,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,872.40 : 2,717,100.36 = 1,109,385.36 : x
  2. Step 2: Convert to fraction form
    1,968,872.40/2,717,100.36 = 1,109,385.36/x
  3. Step 3: Cross multiply
    1,968,872.40x = 2,717,100.36 × 1,109,385.36
  4. Step 4: Simplify right side
    1,968,872.40x = 3,014,311,361,034.73
  5. Step 5: Solve for x
    x = 3,014,311,361,034.73/1,968,872.40
  6. Step 6: Final answer
    x = 1,530,983.60

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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.