Finding the Fourth Proportional to 3,762,944.66, 5,193,006.09 and 2,109,122.09
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Solution
The fourth proportional to 3,762,944.66, 5,193,006.09 and 2,109,122.09 is: 2,910,668.32
Step by Step Solution
- Step 1: Write the proportion equation
3,762,944.66 : 5,193,006.09 = 2,109,122.09 : x - Step 2: Convert to fraction form
3,762,944.66/5,193,006.09 = 2,109,122.09/x - Step 3: Cross multiply
3,762,944.66x = 5,193,006.09 × 2,109,122.09 - Step 4: Simplify right side
3,762,944.66x = 10,952,683,821,412.89 - Step 5: Solve for x
x = 10,952,683,821,412.89/3,762,944.66 - Step 6: Final answer
x = 2,910,668.32
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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.