Finding the Fourth Proportional to 4,379,791.62, 6,569,703.09 and 1,347,137.13
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Solution
The fourth proportional to 4,379,791.62, 6,569,703.09 and 1,347,137.13 is: 2,020,710.51
Step by Step Solution
- Step 1: Write the proportion equation
4,379,791.62 : 6,569,703.09 = 1,347,137.13 : x - Step 2: Convert to fraction form
4,379,791.62/6,569,703.09 = 1,347,137.13/x - Step 3: Cross multiply
4,379,791.62x = 6,569,703.09 × 1,347,137.13 - Step 4: Simplify right side
4,379,791.62x = 8,850,290,965,614.73 - Step 5: Solve for x
x = 8,850,290,965,614.73/4,379,791.62 - Step 6: Final answer
x = 2,020,710.51
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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.