Finding the Fourth Proportional to 3,657,365.26, 5,486,310.78 and 1,261,175.20
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Solution
The fourth proportional to 3,657,365.26, 5,486,310.78 and 1,261,175.20 is: 1,891,853.45
Step by Step Solution
- Step 1: Write the proportion equation
3,657,365.26 : 5,486,310.78 = 1,261,175.20 : x - Step 2: Convert to fraction form
3,657,365.26/5,486,310.78 = 1,261,175.20/x - Step 3: Cross multiply
3,657,365.26x = 5,486,310.78 × 1,261,175.20 - Step 4: Simplify right side
3,657,365.26x = 6,919,199,095,228.66 - Step 5: Solve for x
x = 6,919,199,095,228.66/3,657,365.26 - Step 6: Final answer
x = 1,891,853.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.