Finding the Fourth Proportional to 5,358,691.26, 8,038,299.51 and 2,163,418.74
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Solution
The fourth proportional to 5,358,691.26, 8,038,299.51 and 2,163,418.74 is: 3,245,234.14
Step by Step Solution
- Step 1: Write the proportion equation
5,358,691.26 : 8,038,299.51 = 2,163,418.74 : x - Step 2: Convert to fraction form
5,358,691.26/8,038,299.51 = 2,163,418.74/x - Step 3: Cross multiply
5,358,691.26x = 8,038,299.51 × 2,163,418.74 - Step 4: Simplify right side
5,358,691.26x = 17,390,207,797,666.82 - Step 5: Solve for x
x = 17,390,207,797,666.82/5,358,691.26 - Step 6: Final answer
x = 3,245,234.14
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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.