Finding the Fourth Proportional to 5,405,907.84, 8,108,861.76 and 2,487,706.26
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Solution
The fourth proportional to 5,405,907.84, 8,108,861.76 and 2,487,706.26 is: 3,731,559.39
Step by Step Solution
- Step 1: Write the proportion equation
5,405,907.84 : 8,108,861.76 = 2,487,706.26 : x - Step 2: Convert to fraction form
5,405,907.84/8,108,861.76 = 2,487,706.26/x - Step 3: Cross multiply
5,405,907.84x = 8,108,861.76 × 2,487,706.26 - Step 4: Simplify right side
5,405,907.84x = 20,172,466,161,826.61 - Step 5: Solve for x
x = 20,172,466,161,826.61/5,405,907.84 - Step 6: Final answer
x = 3,731,559.39
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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.