Finding the Fourth Proportional to 5,351,604.69, 7,385,233.80 and 2,904,215.20
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Solution
The fourth proportional to 5,351,604.69, 7,385,233.80 and 2,904,215.20 is: 4,007,827.46
Step by Step Solution
- Step 1: Write the proportion equation
5,351,604.69 : 7,385,233.80 = 2,904,215.20 : x - Step 2: Convert to fraction form
5,351,604.69/7,385,233.80 = 2,904,215.20/x - Step 3: Cross multiply
5,351,604.69x = 7,385,233.80 × 2,904,215.20 - Step 4: Simplify right side
5,351,604.69x = 21,448,308,257,513.76 - Step 5: Solve for x
x = 21,448,308,257,513.76/5,351,604.69 - Step 6: Final answer
x = 4,007,827.46
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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.