Finding the Fourth Proportional to 7,541,647.29, 11,312,494.20 and 1,861,872.21
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Solution
The fourth proportional to 7,541,647.29, 11,312,494.20 and 1,861,872.21 is: 2,792,814.06
Step by Step Solution
- Step 1: Write the proportion equation
7,541,647.29 : 11,312,494.20 = 1,861,872.21 : x - Step 2: Convert to fraction form
7,541,647.29/11,312,494.20 = 1,861,872.21/x - Step 3: Cross multiply
7,541,647.29x = 11,312,494.20 × 1,861,872.21 - Step 4: Simplify right side
7,541,647.29x = 21,062,418,576,766.18 - Step 5: Solve for x
x = 21,062,418,576,766.18/7,541,647.29 - Step 6: Final answer
x = 2,792,814.06
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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.