Finding the Fourth Proportional to 4,290,324.18, 6,435,480.60 and 1,095,450.90
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Solution
The fourth proportional to 4,290,324.18, 6,435,480.60 and 1,095,450.90 is: 1,643,174.90
Step by Step Solution
- Step 1: Write the proportion equation
4,290,324.18 : 6,435,480.60 = 1,095,450.90 : x - Step 2: Convert to fraction form
4,290,324.18/6,435,480.60 = 1,095,450.90/x - Step 3: Cross multiply
4,290,324.18x = 6,435,480.60 × 1,095,450.90 - Step 4: Simplify right side
4,290,324.18x = 7,049,753,015,202.54 - Step 5: Solve for x
x = 7,049,753,015,202.54/4,290,324.18 - Step 6: Final answer
x = 1,643,174.90
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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.