Finding the Fourth Proportional to 5,376,536.70, 8,064,805.05 and 4,965,963.90
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Solution
The fourth proportional to 5,376,536.70, 8,064,805.05 and 4,965,963.90 is: 7,448,945.85
Step by Step Solution
- Step 1: Write the proportion equation
5,376,536.70 : 8,064,805.05 = 4,965,963.90 : x - Step 2: Convert to fraction form
5,376,536.70/8,064,805.05 = 4,965,963.90/x - Step 3: Cross multiply
5,376,536.70x = 8,064,805.05 × 4,965,963.90 - Step 4: Simplify right side
5,376,536.70x = 40,049,530,738,837.70 - Step 5: Solve for x
x = 40,049,530,738,837.70/5,376,536.70 - Step 6: Final answer
x = 7,448,945.85
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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.