Finding the Fourth Proportional to 5,561,854.05, 7,676,136.18 and 4,018,110.29
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Solution
The fourth proportional to 5,561,854.05, 7,676,136.18 and 4,018,110.29 is: 5,545,553.96
Step by Step Solution
- Step 1: Write the proportion equation
5,561,854.05 : 7,676,136.18 = 4,018,110.29 : x - Step 2: Convert to fraction form
5,561,854.05/7,676,136.18 = 4,018,110.29/x - Step 3: Cross multiply
5,561,854.05x = 7,676,136.18 × 4,018,110.29 - Step 4: Simplify right side
5,561,854.05x = 30,843,561,772,299.29 - Step 5: Solve for x
x = 30,843,561,772,299.29/5,561,854.05 - Step 6: Final answer
x = 5,545,553.96
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1.5x scale
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.