Finding the Fourth Proportional to 5,385,044.88, 7,431,383.16 and 2,937,708.24
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Solution
The fourth proportional to 5,385,044.88, 7,431,383.16 and 2,937,708.24 is: 4,054,048.95
Step by Step Solution
- Step 1: Write the proportion equation
5,385,044.88 : 7,431,383.16 = 2,937,708.24 : x - Step 2: Convert to fraction form
5,385,044.88/7,431,383.16 = 2,937,708.24/x - Step 3: Cross multiply
5,385,044.88x = 7,431,383.16 × 2,937,708.24 - Step 4: Simplify right side
5,385,044.88x = 21,831,235,543,729.24 - Step 5: Solve for x
x = 21,831,235,543,729.24/5,385,044.88 - Step 6: Final answer
x = 4,054,048.95
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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.