Finding the Fourth Proportional to 3,343,013.91, 4,613,377.64 and 1,815,121.08
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Solution
The fourth proportional to 3,343,013.91, 4,613,377.64 and 1,815,121.08 is: 2,504,877.10
Step by Step Solution
- Step 1: Write the proportion equation
3,343,013.91 : 4,613,377.64 = 1,815,121.08 : x - Step 2: Convert to fraction form
3,343,013.91/4,613,377.64 = 1,815,121.08/x - Step 3: Cross multiply
3,343,013.91x = 4,613,377.64 × 1,815,121.08 - Step 4: Simplify right side
3,343,013.91x = 8,373,838,995,289.05 - Step 5: Solve for x
x = 8,373,838,995,289.05/3,343,013.91 - Step 6: Final answer
x = 2,504,877.10
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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.