Finding the Fourth Proportional to 3,142,091.26, 4,706,597.68 and 1,999,192.06
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Solution
The fourth proportional to 3,142,091.26, 4,706,597.68 and 1,999,192.06 is: 2,994,627.44
Step by Step Solution
- Step 1: Write the proportion equation
3,142,091.26 : 4,706,597.68 = 1,999,192.06 : x - Step 2: Convert to fraction form
3,142,091.26/4,706,597.68 = 1,999,192.06/x - Step 3: Cross multiply
3,142,091.26x = 4,706,597.68 × 1,999,192.06 - Step 4: Simplify right side
3,142,091.26x = 9,409,392,711,470.42 - Step 5: Solve for x
x = 9,409,392,711,470.42/3,142,091.26 - Step 6: Final answer
x = 2,994,627.44
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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.