Finding the Fourth Proportional to 5,279,285.53, 7,285,414.03 and 2,864,837.53
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Solution
The fourth proportional to 5,279,285.53, 7,285,414.03 and 2,864,837.53 is: 3,953,475.79
Step by Step Solution
- Step 1: Write the proportion equation
5,279,285.53 : 7,285,414.03 = 2,864,837.53 : x - Step 2: Convert to fraction form
5,279,285.53/7,285,414.03 = 2,864,837.53/x - Step 3: Cross multiply
5,279,285.53x = 7,285,414.03 × 2,864,837.53 - Step 4: Simplify right side
5,279,285.53x = 20,871,527,552,791.93 - Step 5: Solve for x
x = 20,871,527,552,791.93/5,279,285.53 - Step 6: Final answer
x = 3,953,475.79
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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.