Finding the Fourth Proportional to 3,739,174.63, 5,609,516.46 and 1,180,789.09
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Solution
The fourth proportional to 3,739,174.63, 5,609,516.46 and 1,180,789.09 is: 1,771,421.90
Step by Step Solution
- Step 1: Write the proportion equation
3,739,174.63 : 5,609,516.46 = 1,180,789.09 : x - Step 2: Convert to fraction form
3,739,174.63/5,609,516.46 = 1,180,789.09/x - Step 3: Cross multiply
3,739,174.63x = 5,609,516.46 × 1,180,789.09 - Step 4: Simplify right side
3,739,174.63x = 6,623,655,836,143.42 - Step 5: Solve for x
x = 6,623,655,836,143.42/3,739,174.63 - Step 6: Final answer
x = 1,771,421.90
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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.