Finding the Fourth Proportional to 3,352,876.44, 4,626,840.90 and 1,902,485.39
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Solution
The fourth proportional to 3,352,876.44, 4,626,840.90 and 1,902,485.39 is: 2,625,356.87
Step by Step Solution
- Step 1: Write the proportion equation
3,352,876.44 : 4,626,840.90 = 1,902,485.39 : x - Step 2: Convert to fraction form
3,352,876.44/4,626,840.90 = 1,902,485.39/x - Step 3: Cross multiply
3,352,876.44x = 4,626,840.90 × 1,902,485.39 - Step 4: Simplify right side
3,352,876.44x = 8,802,497,190,970.25 - Step 5: Solve for x
x = 8,802,497,190,970.25/3,352,876.44 - Step 6: Final answer
x = 2,625,356.87
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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.