Finding the Fourth Proportional to 3,816,633.54, 5,266,965.78 and 2,097,930.18
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Solution
The fourth proportional to 3,816,633.54, 5,266,965.78 and 2,097,930.18 is: 2,895,149.97
Step by Step Solution
- Step 1: Write the proportion equation
3,816,633.54 : 5,266,965.78 = 2,097,930.18 : x - Step 2: Convert to fraction form
3,816,633.54/5,266,965.78 = 2,097,930.18/x - Step 3: Cross multiply
3,816,633.54x = 5,266,965.78 × 2,097,930.18 - Step 4: Simplify right side
3,816,633.54x = 11,049,726,466,889.24 - Step 5: Solve for x
x = 11,049,726,466,889.24/3,816,633.54 - Step 6: Final answer
x = 2,895,149.97
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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.