Finding the Fourth Proportional to 5,096,514.21, 7,031,606.26 and 2,891,013.54
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Solution
The fourth proportional to 5,096,514.21, 7,031,606.26 and 2,891,013.54 is: 3,988,700.53
Step by Step Solution
- Step 1: Write the proportion equation
5,096,514.21 : 7,031,606.26 = 2,891,013.54 : x - Step 2: Convert to fraction form
5,096,514.21/7,031,606.26 = 2,891,013.54/x - Step 3: Cross multiply
5,096,514.21x = 7,031,606.26 × 2,891,013.54 - Step 4: Simplify right side
5,096,514.21x = 20,328,468,925,117.11 - Step 5: Solve for x
x = 20,328,468,925,117.11/5,096,514.21 - Step 6: Final answer
x = 3,988,700.53
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1.5x scale
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.