Finding the Fourth Proportional to 4,129,394.10, 6,194,091.15 and 1,289,793.30
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Solution
The fourth proportional to 4,129,394.10, 6,194,091.15 and 1,289,793.30 is: 1,934,689.95
Step by Step Solution
- Step 1: Write the proportion equation
4,129,394.10 : 6,194,091.15 = 1,289,793.30 : x - Step 2: Convert to fraction form
4,129,394.10/6,194,091.15 = 1,289,793.30/x - Step 3: Cross multiply
4,129,394.10x = 6,194,091.15 × 1,289,793.30 - Step 4: Simplify right side
4,129,394.10x = 7,989,097,264,859.30 - Step 5: Solve for x
x = 7,989,097,264,859.30/4,129,394.10 - Step 6: Final answer
x = 1,934,689.95
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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.