Finding the Fourth Proportional to 2,808,257.11, 3,874,163.89 and 1,646,114.20
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Solution
The fourth proportional to 2,808,257.11, 3,874,163.89 and 1,646,114.20 is: 2,270,916.07
Step by Step Solution
- Step 1: Write the proportion equation
2,808,257.11 : 3,874,163.89 = 1,646,114.20 : x - Step 2: Convert to fraction form
2,808,257.11/3,874,163.89 = 1,646,114.20/x - Step 3: Cross multiply
2,808,257.11x = 3,874,163.89 × 1,646,114.20 - Step 4: Simplify right side
2,808,257.11x = 6,377,316,192,456.24 - Step 5: Solve for x
x = 6,377,316,192,456.24/2,808,257.11 - Step 6: Final answer
x = 2,270,916.07
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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.