Finding the Fourth Proportional to 4,451,972.26, 6,678,216.72 and 1,256,830.84
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Solution
The fourth proportional to 4,451,972.26, 6,678,216.72 and 1,256,830.84 is: 1,885,319.19
Step by Step Solution
- Step 1: Write the proportion equation
4,451,972.26 : 6,678,216.72 = 1,256,830.84 : x - Step 2: Convert to fraction form
4,451,972.26/6,678,216.72 = 1,256,830.84/x - Step 3: Cross multiply
4,451,972.26x = 6,678,216.72 × 1,256,830.84 - Step 4: Simplify right side
4,451,972.26x = 8,393,388,729,899.65 - Step 5: Solve for x
x = 8,393,388,729,899.65/4,451,972.26 - Step 6: Final answer
x = 1,885,319.19
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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.