Finding the Fourth Proportional to 8,579,262.91, 12,868,884.03 and 2,189,515.94
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Solution
The fourth proportional to 8,579,262.91, 12,868,884.03 and 2,189,515.94 is: 3,284,271.27
Step by Step Solution
- Step 1: Write the proportion equation
8,579,262.91 : 12,868,884.03 = 2,189,515.94 : x - Step 2: Convert to fraction form
8,579,262.91/12,868,884.03 = 2,189,515.94/x - Step 3: Cross multiply
8,579,262.91x = 12,868,884.03 × 2,189,515.94 - Step 4: Simplify right side
8,579,262.91x = 28,176,626,713,696.44 - Step 5: Solve for x
x = 28,176,626,713,696.44/8,579,262.91 - Step 6: Final answer
x = 3,284,271.27
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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.