Finding the Fourth Proportional to 4,206,981.81, 6,311,974.47 and 1,367,103.99
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Solution
The fourth proportional to 4,206,981.81, 6,311,974.47 and 1,367,103.99 is: 2,051,144.00
Step by Step Solution
- Step 1: Write the proportion equation
4,206,981.81 : 6,311,974.47 = 1,367,103.99 : x - Step 2: Convert to fraction form
4,206,981.81/6,311,974.47 = 1,367,103.99/x - Step 3: Cross multiply
4,206,981.81x = 6,311,974.47 × 1,367,103.99 - Step 4: Simplify right side
4,206,981.81x = 8,629,125,482,715.14 - Step 5: Solve for x
x = 8,629,125,482,715.14/4,206,981.81 - Step 6: Final answer
x = 2,051,144.00
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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.