Finding the Fourth Proportional to 3,379,465.98, 5,069,111.49 and 1,135,603.98
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Solution
The fourth proportional to 3,379,465.98, 5,069,111.49 and 1,135,603.98 is: 1,703,376.57
Step by Step Solution
- Step 1: Write the proportion equation
3,379,465.98 : 5,069,111.49 = 1,135,603.98 : x - Step 2: Convert to fraction form
3,379,465.98/5,069,111.49 = 1,135,603.98/x - Step 3: Cross multiply
3,379,465.98x = 5,069,111.49 × 1,135,603.98 - Step 4: Simplify right side
3,379,465.98x = 5,756,503,183,107.73 - Step 5: Solve for x
x = 5,756,503,183,107.73/3,379,465.98 - Step 6: Final answer
x = 1,703,376.57
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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.