Finding the Fourth Proportional to 5,338,675.98, 7,367,335.97 and 2,891,231.01
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Solution
The fourth proportional to 5,338,675.98, 7,367,335.97 and 2,891,231.01 is: 3,989,878.82
Step by Step Solution
- Step 1: Write the proportion equation
5,338,675.98 : 7,367,335.97 = 2,891,231.01 : x - Step 2: Convert to fraction form
5,338,675.98/7,367,335.97 = 2,891,231.01/x - Step 3: Cross multiply
5,338,675.98x = 7,367,335.97 × 2,891,231.01 - Step 4: Simplify right side
5,338,675.98x = 21,300,670,203,096.27 - Step 5: Solve for x
x = 21,300,670,203,096.27/5,338,675.98 - Step 6: Final answer
x = 3,989,878.82
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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.