Finding the Fourth Proportional to 3,388,741.81, 4,676,415.81 and 1,918,612.42
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Solution
The fourth proportional to 3,388,741.81, 4,676,415.81 and 1,918,612.42 is: 2,647,658.03
Step by Step Solution
- Step 1: Write the proportion equation
3,388,741.81 : 4,676,415.81 = 1,918,612.42 : x - Step 2: Convert to fraction form
3,388,741.81/4,676,415.81 = 1,918,612.42/x - Step 3: Cross multiply
3,388,741.81x = 4,676,415.81 × 1,918,612.42 - Step 4: Simplify right side
3,388,741.81x = 8,972,229,454,150.36 - Step 5: Solve for x
x = 8,972,229,454,150.36/3,388,741.81 - Step 6: Final answer
x = 2,647,658.03
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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.