Finding the Fourth Proportional to 5,477,274.30, 7,536,845.97 and 5,310,865.74
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Solution
The fourth proportional to 5,477,274.30, 7,536,845.97 and 5,310,865.74 is: 7,307,864.25
Step by Step Solution
- Step 1: Write the proportion equation
5,477,274.30 : 7,536,845.97 = 5,310,865.74 : x - Step 2: Convert to fraction form
5,477,274.30/7,536,845.97 = 5,310,865.74/x - Step 3: Cross multiply
5,477,274.30x = 7,536,845.97 × 5,310,865.74 - Step 4: Simplify right side
5,477,274.30x = 40,027,177,049,730.07 - Step 5: Solve for x
x = 40,027,177,049,730.07/5,477,274.30 - Step 6: Final answer
x = 7,307,864.25
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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.