Finding the Fourth Proportional to 5,133,431.53, 7,707,717.05 and 2,863,391.14
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Solution
The fourth proportional to 5,133,431.53, 7,707,717.05 and 2,863,391.14 is: 4,299,309.07
Step by Step Solution
- Step 1: Write the proportion equation
5,133,431.53 : 7,707,717.05 = 2,863,391.14 : x - Step 2: Convert to fraction form
5,133,431.53/7,707,717.05 = 2,863,391.14/x - Step 3: Cross multiply
5,133,431.53x = 7,707,717.05 × 2,863,391.14 - Step 4: Simplify right side
5,133,431.53x = 22,070,208,722,021.20 - Step 5: Solve for x
x = 22,070,208,722,021.20/5,133,431.53 - Step 6: Final answer
x = 4,299,309.07
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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.