Finding the Fourth Proportional to 2,092,082.79, 3,136,904.77 and 811,193.80
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Solution
The fourth proportional to 2,092,082.79, 3,136,904.77 and 811,193.80 is: 1,216,317.88
Step by Step Solution
- Step 1: Write the proportion equation
2,092,082.79 : 3,136,904.77 = 811,193.80 : x - Step 2: Convert to fraction form
2,092,082.79/3,136,904.77 = 811,193.80/x - Step 3: Cross multiply
2,092,082.79x = 3,136,904.77 × 811,193.80 - Step 4: Simplify right side
2,092,082.79x = 2,544,637,700,614.43 - Step 5: Solve for x
x = 2,544,637,700,614.43/2,092,082.79 - Step 6: Final answer
x = 1,216,317.88
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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.