Finding the Fourth Proportional to 1,734,418.05, 2,393,211.38 and 1,089,378.78
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Solution
The fourth proportional to 1,734,418.05, 2,393,211.38 and 1,089,378.78 is: 1,503,163.37
Step by Step Solution
- Step 1: Write the proportion equation
1,734,418.05 : 2,393,211.38 = 1,089,378.78 : x - Step 2: Convert to fraction form
1,734,418.05/2,393,211.38 = 1,089,378.78/x - Step 3: Cross multiply
1,734,418.05x = 2,393,211.38 × 1,089,378.78 - Step 4: Simplify right side
1,734,418.05x = 2,607,113,687,979.62 - Step 5: Solve for x
x = 2,607,113,687,979.62/1,734,418.05 - Step 6: Final answer
x = 1,503,163.37
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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.