Finding the Fourth Proportional to 1,969,638.96, 2,718,310.73 and 1,154,527.49
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Solution
The fourth proportional to 1,969,638.96, 2,718,310.73 and 1,154,527.49 is: 1,593,370.41
Step by Step Solution
- Step 1: Write the proportion equation
1,969,638.96 : 2,718,310.73 = 1,154,527.49 : x - Step 2: Convert to fraction form
1,969,638.96/2,718,310.73 = 1,154,527.49/x - Step 3: Cross multiply
1,969,638.96x = 2,718,310.73 × 1,154,527.49 - Step 4: Simplify right side
1,969,638.96x = 3,138,364,444,782.78 - Step 5: Solve for x
x = 3,138,364,444,782.78/1,969,638.96 - Step 6: Final answer
x = 1,593,370.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.