Finding the Fourth Proportional to 1,680,554.88, 2,319,193.38 and 916,608.44
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Solution
The fourth proportional to 1,680,554.88, 2,319,193.38 and 916,608.44 is: 1,264,934.73
Step by Step Solution
- Step 1: Write the proportion equation
1,680,554.88 : 2,319,193.38 = 916,608.44 : x - Step 2: Convert to fraction form
1,680,554.88/2,319,193.38 = 916,608.44/x - Step 3: Cross multiply
1,680,554.88x = 2,319,193.38 × 916,608.44 - Step 4: Simplify right side
1,680,554.88x = 2,125,792,226,100.13 - Step 5: Solve for x
x = 2,125,792,226,100.13/1,680,554.88 - Step 6: Final answer
x = 1,264,934.73
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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.