Finding the Fourth Proportional to 2,297,707.80, 3,446,561.70 and 1,821,816.60
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Solution
The fourth proportional to 2,297,707.80, 3,446,561.70 and 1,821,816.60 is: 2,732,724.90
Step by Step Solution
- Step 1: Write the proportion equation
2,297,707.80 : 3,446,561.70 = 1,821,816.60 : x - Step 2: Convert to fraction form
2,297,707.80/3,446,561.70 = 1,821,816.60/x - Step 3: Cross multiply
2,297,707.80x = 3,446,561.70 × 1,821,816.60 - Step 4: Simplify right side
2,297,707.80x = 6,279,003,317,984.22 - Step 5: Solve for x
x = 6,279,003,317,984.22/2,297,707.80 - Step 6: Final answer
x = 2,732,724.90
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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.