Finding the Fourth Proportional to 5,478,331.71, 7,562,519.16 and 3,273,972.18
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Solution
The fourth proportional to 5,478,331.71, 7,562,519.16 and 3,273,972.18 is: 4,519,528.69
Step by Step Solution
- Step 1: Write the proportion equation
5,478,331.71 : 7,562,519.16 = 3,273,972.18 : x - Step 2: Convert to fraction form
5,478,331.71/7,562,519.16 = 3,273,972.18/x - Step 3: Cross multiply
5,478,331.71x = 7,562,519.16 × 3,273,972.18 - Step 4: Simplify right side
5,478,331.71x = 24,759,477,340,556.97 - Step 5: Solve for x
x = 24,759,477,340,556.97/5,478,331.71 - Step 6: Final answer
x = 4,519,528.69
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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.