Finding the Fourth Proportional to 4,622,809.84, 6,379,665.44 and 2,557,791.79
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Solution
The fourth proportional to 4,622,809.84, 6,379,665.44 and 2,557,791.79 is: 3,529,856.61
Step by Step Solution
- Step 1: Write the proportion equation
4,622,809.84 : 6,379,665.44 = 2,557,791.79 : x - Step 2: Convert to fraction form
4,622,809.84/6,379,665.44 = 2,557,791.79/x - Step 3: Cross multiply
4,622,809.84x = 6,379,665.44 × 2,557,791.79 - Step 4: Simplify right side
4,622,809.84x = 16,317,855,856,640.62 - Step 5: Solve for x
x = 16,317,855,856,640.62/4,622,809.84 - Step 6: Final answer
x = 3,529,856.61
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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.