Finding the Fourth Proportional to 5,355,576.47, 8,031,658.83 and 1,760,514.79
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Solution
The fourth proportional to 5,355,576.47, 8,031,658.83 and 1,760,514.79 is: 2,640,211.42
Step by Step Solution
- Step 1: Write the proportion equation
5,355,576.47 : 8,031,658.83 = 1,760,514.79 : x - Step 2: Convert to fraction form
5,355,576.47/8,031,658.83 = 1,760,514.79/x - Step 3: Cross multiply
5,355,576.47x = 8,031,658.83 × 1,760,514.79 - Step 4: Simplify right side
5,355,576.47x = 14,139,854,158,449.10 - Step 5: Solve for x
x = 14,139,854,158,449.10/5,355,576.47 - Step 6: Final answer
x = 2,640,211.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.