Finding the Fourth Proportional to 1,933,198.56, 2,668,783.68 and 1,208,449.44
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Solution
The fourth proportional to 1,933,198.56, 2,668,783.68 and 1,208,449.44 is: 1,668,266.37
Step by Step Solution
- Step 1: Write the proportion equation
1,933,198.56 : 2,668,783.68 = 1,208,449.44 : x - Step 2: Convert to fraction form
1,933,198.56/2,668,783.68 = 1,208,449.44/x - Step 3: Cross multiply
1,933,198.56x = 2,668,783.68 × 1,208,449.44 - Step 4: Simplify right side
1,933,198.56x = 3,225,090,143,577.14 - Step 5: Solve for x
x = 3,225,090,143,577.14/1,933,198.56 - Step 6: Final answer
x = 1,668,266.37
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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.