Finding the Fourth Proportional to 5,180,525.05, 7,770,806.03 and 1,586,277.02
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Solution
The fourth proportional to 5,180,525.05, 7,770,806.03 and 1,586,277.02 is: 2,379,421.17
Step by Step Solution
- Step 1: Write the proportion equation
5,180,525.05 : 7,770,806.03 = 1,586,277.02 : x - Step 2: Convert to fraction form
5,180,525.05/7,770,806.03 = 1,586,277.02/x - Step 3: Cross multiply
5,180,525.05x = 7,770,806.03 × 1,586,277.02 - Step 4: Simplify right side
5,180,525.05x = 12,326,650,985,481.02 - Step 5: Solve for x
x = 12,326,650,985,481.02/5,180,525.05 - Step 6: Final answer
x = 2,379,421.17
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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.