Finding the Fourth Proportional to 3,828,204.40, 5,283,294.36 and 2,859,653.18
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Solution
The fourth proportional to 3,828,204.40, 5,283,294.36 and 2,859,653.18 is: 3,946,599.48
Step by Step Solution
- Step 1: Write the proportion equation
3,828,204.40 : 5,283,294.36 = 2,859,653.18 : x - Step 2: Convert to fraction form
3,828,204.40/5,283,294.36 = 2,859,653.18/x - Step 3: Cross multiply
3,828,204.40x = 5,283,294.36 × 2,859,653.18 - Step 4: Simplify right side
3,828,204.40x = 15,108,389,476,735.33 - Step 5: Solve for x
x = 15,108,389,476,735.33/3,828,204.40 - Step 6: Final answer
x = 3,946,599.48
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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.