Finding the Fourth Proportional to 1,941,103.93, 2,678,734.08 and 1,125,791.09
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Solution
The fourth proportional to 1,941,103.93, 2,678,734.08 and 1,125,791.09 is: 1,553,597.88
Step by Step Solution
- Step 1: Write the proportion equation
1,941,103.93 : 2,678,734.08 = 1,125,791.09 : x - Step 2: Convert to fraction form
1,941,103.93/2,678,734.08 = 1,125,791.09/x - Step 3: Cross multiply
1,941,103.93x = 2,678,734.08 × 1,125,791.09 - Step 4: Simplify right side
1,941,103.93x = 3,015,694,959,743.35 - Step 5: Solve for x
x = 3,015,694,959,743.35/1,941,103.93 - Step 6: Final answer
x = 1,553,597.88
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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.