Finding the Fourth Proportional to 5,476,968.68, 7,557,634.90 and 3,029,190.80
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Solution
The fourth proportional to 5,476,968.68, 7,557,634.90 and 3,029,190.80 is: 4,179,961.48
Step by Step Solution
- Step 1: Write the proportion equation
5,476,968.68 : 7,557,634.90 = 3,029,190.80 : x - Step 2: Convert to fraction form
5,476,968.68/7,557,634.90 = 3,029,190.80/x - Step 3: Cross multiply
5,476,968.68x = 7,557,634.90 × 3,029,190.80 - Step 4: Simplify right side
5,476,968.68x = 22,893,518,108,838.92 - Step 5: Solve for x
x = 22,893,518,108,838.92/5,476,968.68 - Step 6: Final answer
x = 4,179,961.48
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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.