Finding the Fourth Proportional to 4,866,625.98, 6,715,987.56 and 2,691,316.44
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Solution
The fourth proportional to 4,866,625.98, 6,715,987.56 and 2,691,316.44 is: 3,714,040.86
Step by Step Solution
- Step 1: Write the proportion equation
4,866,625.98 : 6,715,987.56 = 2,691,316.44 : x - Step 2: Convert to fraction form
4,866,625.98/6,715,987.56 = 2,691,316.44/x - Step 3: Cross multiply
4,866,625.98x = 6,715,987.56 × 2,691,316.44 - Step 4: Simplify right side
4,866,625.98x = 18,074,847,731,063.48 - Step 5: Solve for x
x = 18,074,847,731,063.48/4,866,625.98 - Step 6: Final answer
x = 3,714,040.86
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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.