Finding the Fourth Proportional to 3,647,878.44, 5,034,092.30 and 1,994,028.06
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Solution
The fourth proportional to 3,647,878.44, 5,034,092.30 and 1,994,028.06 is: 2,751,769.68
Step by Step Solution
- Step 1: Write the proportion equation
3,647,878.44 : 5,034,092.30 = 1,994,028.06 : x - Step 2: Convert to fraction form
3,647,878.44/5,034,092.30 = 1,994,028.06/x - Step 3: Cross multiply
3,647,878.44x = 5,034,092.30 × 1,994,028.06 - Step 4: Simplify right side
3,647,878.44x = 10,038,121,302,829.94 - Step 5: Solve for x
x = 10,038,121,302,829.94/3,647,878.44 - Step 6: Final answer
x = 2,751,769.68
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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.