Finding the Fourth Proportional to 5,279,253.10, 7,285,369.26 and 2,864,805.10
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Solution
The fourth proportional to 5,279,253.10, 7,285,369.26 and 2,864,805.10 is: 3,953,431.03
Step by Step Solution
- Step 1: Write the proportion equation
5,279,253.10 : 7,285,369.26 = 2,864,805.10 : x - Step 2: Convert to fraction form
5,279,253.10/7,285,369.26 = 2,864,805.10/x - Step 3: Cross multiply
5,279,253.10x = 7,285,369.26 × 2,864,805.10 - Step 4: Simplify right side
5,279,253.10x = 20,871,163,011,431.23 - Step 5: Solve for x
x = 20,871,163,011,431.23/5,279,253.10 - Step 6: Final answer
x = 3,953,431.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.