Finding the Fourth Proportional to 4,862,821.91, 7,295,492.74 and 2,586,472.63
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Solution
The fourth proportional to 4,862,821.91, 7,295,492.74 and 2,586,472.63 is: 3,880,379.06
Step by Step Solution
- Step 1: Write the proportion equation
4,862,821.91 : 7,295,492.74 = 2,586,472.63 : x - Step 2: Convert to fraction form
4,862,821.91/7,295,492.74 = 2,586,472.63/x - Step 3: Cross multiply
4,862,821.91x = 7,295,492.74 × 2,586,472.63 - Step 4: Simplify right side
4,862,821.91x = 18,869,592,269,668.79 - Step 5: Solve for x
x = 18,869,592,269,668.79/4,862,821.91 - Step 6: Final answer
x = 3,880,379.06
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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.