Finding the Fourth Proportional to 3,068,212.26, 4,233,194.61 and 1,778,795.34
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Solution
The fourth proportional to 3,068,212.26, 4,233,194.61 and 1,778,795.34 is: 2,454,193.58
Step by Step Solution
- Step 1: Write the proportion equation
3,068,212.26 : 4,233,194.61 = 1,778,795.34 : x - Step 2: Convert to fraction form
3,068,212.26/4,233,194.61 = 1,778,795.34/x - Step 3: Cross multiply
3,068,212.26x = 4,233,194.61 × 1,778,795.34 - Step 4: Simplify right side
3,068,212.26x = 7,529,986,845,581.12 - Step 5: Solve for x
x = 7,529,986,845,581.12/3,068,212.26 - Step 6: Final answer
x = 2,454,193.58
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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.