Home / 1,866,144-2,798,993.76-1,098,100.80

Finding the Fourth Proportional to 1,866,144, 2,798,993.76 and 1,098,100.80

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Solution

The fourth proportional to 1,866,144, 2,798,993.76 and 1,098,100.80 is: 1,647,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,144 : 2,798,993.76 = 1,098,100.80 : x
  2. Step 2: Convert to fraction form
    1,866,144/2,798,993.76 = 1,098,100.80/x
  3. Step 3: Cross multiply
    1,866,144x = 2,798,993.76 × 1,098,100.80
  4. Step 4: Simplify right side
    1,866,144x = 3,073,577,287,051.01
  5. Step 5: Solve for x
    x = 3,073,577,287,051.01/1,866,144
  6. Step 6: Final answer
    x = 1,647,020.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.