Finding the Fourth Proportional to 5,821,219.94, 7,975,099.77 and 5,603,041.95
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Solution
The fourth proportional to 5,821,219.94, 7,975,099.77 and 5,603,041.95 is: 7,676,194.87
Step by Step Solution
- Step 1: Write the proportion equation
5,821,219.94 : 7,975,099.77 = 5,603,041.95 : x - Step 2: Convert to fraction form
5,821,219.94/7,975,099.77 = 5,603,041.95/x - Step 3: Cross multiply
5,821,219.94x = 7,975,099.77 × 5,603,041.95 - Step 4: Simplify right side
5,821,219.94x = 44,684,818,575,640.57 - Step 5: Solve for x
x = 44,684,818,575,640.57/5,821,219.94 - Step 6: Final answer
x = 7,676,194.87
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.