Finding the Fourth Proportional to 1,987,759.04, 2,743,095.84 and 1,082,338.88
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Solution
The fourth proportional to 1,987,759.04, 2,743,095.84 and 1,082,338.88 is: 1,493,621.32
Step by Step Solution
- Step 1: Write the proportion equation
1,987,759.04 : 2,743,095.84 = 1,082,338.88 : x - Step 2: Convert to fraction form
1,987,759.04/2,743,095.84 = 1,082,338.88/x - Step 3: Cross multiply
1,987,759.04x = 2,743,095.84 × 1,082,338.88 - Step 4: Simplify right side
1,987,759.04x = 2,968,959,279,198.26 - Step 5: Solve for x
x = 2,968,959,279,198.26/1,987,759.04 - Step 6: Final answer
x = 1,493,621.32
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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.