Finding the Fourth Proportional to 6,343,920.58, 8,754,375.98 and 3,443,249.17
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Solution
The fourth proportional to 6,343,920.58, 8,754,375.98 and 3,443,249.17 is: 4,751,556.62
Step by Step Solution
- Step 1: Write the proportion equation
6,343,920.58 : 8,754,375.98 = 3,443,249.17 : x - Step 2: Convert to fraction form
6,343,920.58/8,754,375.98 = 3,443,249.17/x - Step 3: Cross multiply
6,343,920.58x = 8,754,375.98 × 3,443,249.17 - Step 4: Simplify right side
6,343,920.58x = 30,143,497,832,164.94 - Step 5: Solve for x
x = 30,143,497,832,164.94/6,343,920.58 - Step 6: Final answer
x = 4,751,556.62
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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.