Finding the Fourth Proportional to 1,611,911.80, 2,224,456.70 and 923,569.80
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Solution
The fourth proportional to 1,611,911.80, 2,224,456.70 and 923,569.80 is: 1,274,536.88
Step by Step Solution
- Step 1: Write the proportion equation
1,611,911.80 : 2,224,456.70 = 923,569.80 : x - Step 2: Convert to fraction form
1,611,911.80/2,224,456.70 = 923,569.80/x - Step 3: Cross multiply
1,611,911.80x = 2,224,456.70 × 923,569.80 - Step 4: Simplify right side
1,611,911.80x = 2,054,441,029,527.66 - Step 5: Solve for x
x = 2,054,441,029,527.66/1,611,911.80 - Step 6: Final answer
x = 1,274,536.88
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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.