Finding the Fourth Proportional to 4,677,225.75, 6,454,571.94 and 2,640,166.47
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Solution
The fourth proportional to 4,677,225.75, 6,454,571.94 and 2,640,166.47 is: 3,643,429.96
Step by Step Solution
- Step 1: Write the proportion equation
4,677,225.75 : 6,454,571.94 = 2,640,166.47 : x - Step 2: Convert to fraction form
4,677,225.75/6,454,571.94 = 2,640,166.47/x - Step 3: Cross multiply
4,677,225.75x = 6,454,571.94 × 2,640,166.47 - Step 4: Simplify right side
4,677,225.75x = 17,041,144,414,190.85 - Step 5: Solve for x
x = 17,041,144,414,190.85/4,677,225.75 - Step 6: Final answer
x = 3,643,429.96
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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.