Finding the Fourth Proportional to 3,674,578.32, 5,511,511.11 and 1,115,815.42
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Solution
The fourth proportional to 3,674,578.32, 5,511,511.11 and 1,115,815.42 is: 1,673,614.92
Step by Step Solution
- Step 1: Write the proportion equation
3,674,578.32 : 5,511,511.11 = 1,115,815.42 : x - Step 2: Convert to fraction form
3,674,578.32/5,511,511.11 = 1,115,815.42/x - Step 3: Cross multiply
3,674,578.32x = 5,511,511.11 × 1,115,815.42 - Step 4: Simplify right side
3,674,578.32x = 6,149,829,101,199.45 - Step 5: Solve for x
x = 6,149,829,101,199.45/3,674,578.32 - Step 6: Final answer
x = 1,673,614.92
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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.