Finding the Fourth Proportional to 4,081,362.19, 6,122,042.38 and 1,487,861.39
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Solution
The fourth proportional to 4,081,362.19, 6,122,042.38 and 1,487,861.39 is: 2,231,791.75
Step by Step Solution
- Step 1: Write the proportion equation
4,081,362.19 : 6,122,042.38 = 1,487,861.39 : x - Step 2: Convert to fraction form
4,081,362.19/6,122,042.38 = 1,487,861.39/x - Step 3: Cross multiply
4,081,362.19x = 6,122,042.38 × 1,487,861.39 - Step 4: Simplify right side
4,081,362.19x = 9,108,750,477,706.40 - Step 5: Solve for x
x = 9,108,750,477,706.40/4,081,362.19 - Step 6: Final answer
x = 2,231,791.75
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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.