Finding the Fourth Proportional to 4,511,749.67, 6,219,326.60 and 2,766,187.42
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Solution
The fourth proportional to 4,511,749.67, 6,219,326.60 and 2,766,187.42 is: 3,813,115.58
Step by Step Solution
- Step 1: Write the proportion equation
4,511,749.67 : 6,219,326.60 = 2,766,187.42 : x - Step 2: Convert to fraction form
4,511,749.67/6,219,326.60 = 2,766,187.42/x - Step 3: Cross multiply
4,511,749.67x = 6,219,326.60 × 2,766,187.42 - Step 4: Simplify right side
4,511,749.67x = 17,203,822,972,412.12 - Step 5: Solve for x
x = 17,203,822,972,412.12/4,511,749.67 - Step 6: Final answer
x = 3,813,115.58
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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.