Finding the Fourth Proportional to 3,822,069.23, 5,274,673.79 and 2,190,748.47
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Solution
The fourth proportional to 3,822,069.23, 5,274,673.79 and 2,190,748.47 is: 3,023,357.99
Step by Step Solution
- Step 1: Write the proportion equation
3,822,069.23 : 5,274,673.79 = 2,190,748.47 : x - Step 2: Convert to fraction form
3,822,069.23/5,274,673.79 = 2,190,748.47/x - Step 3: Cross multiply
3,822,069.23x = 5,274,673.79 × 2,190,748.47 - Step 4: Simplify right side
3,822,069.23x = 11,555,483,535,191.60 - Step 5: Solve for x
x = 11,555,483,535,191.60/3,822,069.23 - Step 6: Final answer
x = 3,023,357.99
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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.