Finding the Fourth Proportional to 1,109,324.87, 1,663,992.17 and 351,170.05
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Solution
The fourth proportional to 1,109,324.87, 1,663,992.17 and 351,170.05 is: 526,756.62
Step by Step Solution
- Step 1: Write the proportion equation
1,109,324.87 : 1,663,992.17 = 351,170.05 : x - Step 2: Convert to fraction form
1,109,324.87/1,663,992.17 = 351,170.05/x - Step 3: Cross multiply
1,109,324.87x = 1,663,992.17 × 351,170.05 - Step 4: Simplify right side
1,109,324.87x = 584,344,213,538.51 - Step 5: Solve for x
x = 584,344,213,538.51/1,109,324.87 - Step 6: Final answer
x = 526,756.62
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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.