Finding the Fourth Proportional to 4,215,982.23, 5,827,860.79 and 3,761,600.18
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Solution
The fourth proportional to 4,215,982.23, 5,827,860.79 and 3,761,600.18 is: 5,199,756.77
Step by Step Solution
- Step 1: Write the proportion equation
4,215,982.23 : 5,827,860.79 = 3,761,600.18 : x - Step 2: Convert to fraction form
4,215,982.23/5,827,860.79 = 3,761,600.18/x - Step 3: Cross multiply
4,215,982.23x = 5,827,860.79 × 3,761,600.18 - Step 4: Simplify right side
4,215,982.23x = 21,922,082,158,135.64 - Step 5: Solve for x
x = 21,922,082,158,135.64/4,215,982.23 - Step 6: Final answer
x = 5,199,756.77
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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.