Finding the Fourth Proportional to 6,579,942.13, 9,866,114.14 and 2,029,769.15
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Solution
The fourth proportional to 6,579,942.13, 9,866,114.14 and 2,029,769.15 is: 3,043,481.80
Step by Step Solution
- Step 1: Write the proportion equation
6,579,942.13 : 9,866,114.14 = 2,029,769.15 : x - Step 2: Convert to fraction form
6,579,942.13/9,866,114.14 = 2,029,769.15/x - Step 3: Cross multiply
6,579,942.13x = 9,866,114.14 × 2,029,769.15 - Step 4: Simplify right side
6,579,942.13x = 20,025,934,111,750.78 - Step 5: Solve for x
x = 20,025,934,111,750.78/6,579,942.13 - Step 6: Final answer
x = 3,043,481.80
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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.