Finding the Fourth Proportional to 5,386,544.24, 8,079,806.04 and 3,141,107.60
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Solution
The fourth proportional to 5,386,544.24, 8,079,806.04 and 3,141,107.60 is: 4,711,655.38
Step by Step Solution
- Step 1: Write the proportion equation
5,386,544.24 : 8,079,806.04 = 3,141,107.60 : x - Step 2: Convert to fraction form
5,386,544.24/8,079,806.04 = 3,141,107.60/x - Step 3: Cross multiply
5,386,544.24x = 8,079,806.04 × 3,141,107.60 - Step 4: Simplify right side
5,386,544.24x = 25,379,540,158,769.91 - Step 5: Solve for x
x = 25,379,540,158,769.91/5,386,544.24 - Step 6: Final answer
x = 4,711,655.38
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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.