Finding the Fourth Proportional to 3,876,753.08, 5,815,128.26 and 1,036,791.48
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Solution
The fourth proportional to 3,876,753.08, 5,815,128.26 and 1,036,791.48 is: 1,555,186.86
Step by Step Solution
- Step 1: Write the proportion equation
3,876,753.08 : 5,815,128.26 = 1,036,791.48 : x - Step 2: Convert to fraction form
3,876,753.08/5,815,128.26 = 1,036,791.48/x - Step 3: Cross multiply
3,876,753.08x = 5,815,128.26 × 1,036,791.48 - Step 4: Simplify right side
3,876,753.08x = 6,029,075,435,075.23 - Step 5: Solve for x
x = 6,029,075,435,075.23/3,876,753.08 - Step 6: Final answer
x = 1,555,186.86
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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.