Finding the Fourth Proportional to 3,738,008.97, 5,158,454.45 and 2,019,129.49
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Solution
The fourth proportional to 3,738,008.97, 5,158,454.45 and 2,019,129.49 is: 2,786,399.82
Step by Step Solution
- Step 1: Write the proportion equation
3,738,008.97 : 5,158,454.45 = 2,019,129.49 : x - Step 2: Convert to fraction form
3,738,008.97/5,158,454.45 = 2,019,129.49/x - Step 3: Cross multiply
3,738,008.97x = 5,158,454.45 × 2,019,129.49 - Step 4: Simplify right side
3,738,008.97x = 10,415,587,502,816.73 - Step 5: Solve for x
x = 10,415,587,502,816.73/3,738,008.97 - Step 6: Final answer
x = 2,786,399.82
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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.