Finding the Fourth Proportional to 5,715,523.02, 7,887,133.59 and 3,392,516.91
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Solution
The fourth proportional to 5,715,523.02, 7,887,133.59 and 3,392,516.91 is: 4,681,502.28
Step by Step Solution
- Step 1: Write the proportion equation
5,715,523.02 : 7,887,133.59 = 3,392,516.91 : x - Step 2: Convert to fraction form
5,715,523.02/7,887,133.59 = 3,392,516.91/x - Step 3: Cross multiply
5,715,523.02x = 7,887,133.59 × 3,392,516.91 - Step 4: Simplify right side
5,715,523.02x = 26,757,234,075,504.01 - Step 5: Solve for x
x = 26,757,234,075,504.01/5,715,523.02 - Step 6: Final answer
x = 4,681,502.28
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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.