Finding the Fourth Proportional to 3,450,776.66, 5,175,603.81 and 1,629,138.09
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Solution
The fourth proportional to 3,450,776.66, 5,175,603.81 and 1,629,138.09 is: 2,443,442.20
Step by Step Solution
- Step 1: Write the proportion equation
3,450,776.66 : 5,175,603.81 = 1,629,138.09 : x - Step 2: Convert to fraction form
3,450,776.66/5,175,603.81 = 1,629,138.09/x - Step 3: Cross multiply
3,450,776.66x = 5,175,603.81 × 1,629,138.09 - Step 4: Simplify right side
3,450,776.66x = 8,431,773,305,620.12 - Step 5: Solve for x
x = 8,431,773,305,620.12/3,450,776.66 - Step 6: Final answer
x = 2,443,442.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.