Finding the Fourth Proportional to 2,705,197.99, 4,058,419.07 and 811,975.27
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Solution
The fourth proportional to 2,705,197.99, 4,058,419.07 and 811,975.27 is: 1,218,149.63
Step by Step Solution
- Step 1: Write the proportion equation
2,705,197.99 : 4,058,419.07 = 811,975.27 : x - Step 2: Convert to fraction form
2,705,197.99/4,058,419.07 = 811,975.27/x - Step 3: Cross multiply
2,705,197.99x = 4,058,419.07 × 811,975.27 - Step 4: Simplify right side
2,705,197.99x = 3,295,335,920,136.40 - Step 5: Solve for x
x = 3,295,335,920,136.40/2,705,197.99 - Step 6: Final answer
x = 1,218,149.63
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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.