Finding the Fourth Proportional to 3,703,635.36, 5,108,958.72 and 2,154,723.84
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Solution
The fourth proportional to 3,703,635.36, 5,108,958.72 and 2,154,723.84 is: 2,972,321.54
Step by Step Solution
- Step 1: Write the proportion equation
3,703,635.36 : 5,108,958.72 = 2,154,723.84 : x - Step 2: Convert to fraction form
3,703,635.36/5,108,958.72 = 2,154,723.84/x - Step 3: Cross multiply
3,703,635.36x = 5,108,958.72 × 2,154,723.84 - Step 4: Simplify right side
3,703,635.36x = 11,008,395,151,559.88 - Step 5: Solve for x
x = 11,008,395,151,559.88/3,703,635.36 - Step 6: Final answer
x = 2,972,321.54
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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.