Finding the Fourth Proportional to 4,243,736.07, 6,366,059.66 and 1,815,141.55
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Solution
The fourth proportional to 4,243,736.07, 6,366,059.66 and 1,815,141.55 is: 2,722,907.18
Step by Step Solution
- Step 1: Write the proportion equation
4,243,736.07 : 6,366,059.66 = 1,815,141.55 : x - Step 2: Convert to fraction form
4,243,736.07/6,366,059.66 = 1,815,141.55/x - Step 3: Cross multiply
4,243,736.07x = 6,366,059.66 × 1,815,141.55 - Step 4: Simplify right side
4,243,736.07x = 11,555,299,398,644.87 - Step 5: Solve for x
x = 11,555,299,398,644.87/4,243,736.07 - Step 6: Final answer
x = 2,722,907.18
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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.