Finding the Fourth Proportional to 3,932,546.88, 5,426,854.56 and 2,213,662.08
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Solution
The fourth proportional to 3,932,546.88, 5,426,854.56 and 2,213,662.08 is: 3,054,819.82
Step by Step Solution
- Step 1: Write the proportion equation
3,932,546.88 : 5,426,854.56 = 2,213,662.08 : x - Step 2: Convert to fraction form
3,932,546.88/5,426,854.56 = 2,213,662.08/x - Step 3: Cross multiply
3,932,546.88x = 5,426,854.56 × 2,213,662.08 - Step 4: Simplify right side
3,932,546.88x = 12,013,222,153,147.08 - Step 5: Solve for x
x = 12,013,222,153,147.08/3,932,546.88 - Step 6: Final answer
x = 3,054,819.82
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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.