Finding the Fourth Proportional to 5,387,879.67, 8,081,529.75 and 2,652,700.35
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Solution
The fourth proportional to 5,387,879.67, 8,081,529.75 and 2,652,700.35 is: 3,978,907.86
Step by Step Solution
- Step 1: Write the proportion equation
5,387,879.67 : 8,081,529.75 = 2,652,700.35 : x - Step 2: Convert to fraction form
5,387,879.67/8,081,529.75 = 2,652,700.35/x - Step 3: Cross multiply
5,387,879.67x = 8,081,529.75 × 2,652,700.35 - Step 4: Simplify right side
5,387,879.67x = 21,437,876,751,017.52 - Step 5: Solve for x
x = 21,437,876,751,017.52/5,387,879.67 - Step 6: Final answer
x = 3,978,907.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.