Finding the Fourth Proportional to 3,828,213.84, 5,283,307.38 and 2,859,662.62
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Solution
The fourth proportional to 3,828,213.84, 5,283,307.38 and 2,859,662.62 is: 3,946,612.51
Step by Step Solution
- Step 1: Write the proportion equation
3,828,213.84 : 5,283,307.38 = 2,859,662.62 : x - Step 2: Convert to fraction form
3,828,213.84/5,283,307.38 = 2,859,662.62/x - Step 3: Cross multiply
3,828,213.84x = 5,283,307.38 × 2,859,662.62 - Step 4: Simplify right side
3,828,213.84x = 15,108,476,624,556.14 - Step 5: Solve for x
x = 15,108,476,624,556.14/3,828,213.84 - Step 6: Final answer
x = 3,946,612.51
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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.