Finding the Fourth Proportional to 3,828,680.84, 5,283,827.57 and 2,197,156.97
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Solution
The fourth proportional to 3,828,680.84, 5,283,827.57 and 2,197,156.97 is: 3,032,218.94
Step by Step Solution
- Step 1: Write the proportion equation
3,828,680.84 : 5,283,827.57 = 2,197,156.97 : x - Step 2: Convert to fraction form
3,828,680.84/5,283,827.57 = 2,197,156.97/x - Step 3: Cross multiply
3,828,680.84x = 5,283,827.57 × 2,197,156.97 - Step 4: Simplify right side
3,828,680.84x = 11,609,398,573,703.66 - Step 5: Solve for x
x = 11,609,398,573,703.66/3,828,680.84 - Step 6: Final answer
x = 3,032,218.94
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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.