Finding the Fourth Proportional to 5,376,576.81, 7,419,653.62 and 2,929,180.24
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Solution
The fourth proportional to 5,376,576.81, 7,419,653.62 and 2,929,180.24 is: 4,042,256.54
Step by Step Solution
- Step 1: Write the proportion equation
5,376,576.81 : 7,419,653.62 = 2,929,180.24 : x - Step 2: Convert to fraction form
5,376,576.81/7,419,653.62 = 2,929,180.24/x - Step 3: Cross multiply
5,376,576.81x = 7,419,653.62 × 2,929,180.24 - Step 4: Simplify right side
5,376,576.81x = 21,733,502,771,348.47 - Step 5: Solve for x
x = 21,733,502,771,348.47/5,376,576.81 - Step 6: Final answer
x = 4,042,256.54
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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.