Finding the Fourth Proportional to 1,549,338.44, 2,135,833.68 and 1,082,743.68
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Solution
The fourth proportional to 1,549,338.44, 2,135,833.68 and 1,082,743.68 is: 1,492,611.53
Step by Step Solution
- Step 1: Write the proportion equation
1,549,338.44 : 2,135,833.68 = 1,082,743.68 : x - Step 2: Convert to fraction form
1,549,338.44/2,135,833.68 = 1,082,743.68/x - Step 3: Cross multiply
1,549,338.44x = 2,135,833.68 × 1,082,743.68 - Step 4: Simplify right side
1,549,338.44x = 2,312,560,418,551.14 - Step 5: Solve for x
x = 2,312,560,418,551.14/1,549,338.44 - Step 6: Final answer
x = 1,492,611.53
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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.