Finding the Fourth Proportional to 4,940,811.09, 7,411,814.42 and 1,745,283.33
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Solution
The fourth proportional to 4,940,811.09, 7,411,814.42 and 1,745,283.33 is: 2,618,136.15
Step by Step Solution
- Step 1: Write the proportion equation
4,940,811.09 : 7,411,814.42 = 1,745,283.33 : x - Step 2: Convert to fraction form
4,940,811.09/7,411,814.42 = 1,745,283.33/x - Step 3: Cross multiply
4,940,811.09x = 7,411,814.42 × 1,745,283.33 - Step 4: Simplify right side
4,940,811.09x = 12,935,716,143,553.20 - Step 5: Solve for x
x = 12,935,716,143,553.20/4,940,811.09 - Step 6: Final answer
x = 2,618,136.15
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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.