Finding the Fourth Proportional to 2,379,964.26, 3,284,407.75 and 1,292,281.68
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Solution
The fourth proportional to 2,379,964.26, 3,284,407.75 and 1,292,281.68 is: 1,783,379.71
Step by Step Solution
- Step 1: Write the proportion equation
2,379,964.26 : 3,284,407.75 = 1,292,281.68 : x - Step 2: Convert to fraction form
2,379,964.26/3,284,407.75 = 1,292,281.68/x - Step 3: Cross multiply
2,379,964.26x = 3,284,407.75 × 1,292,281.68 - Step 4: Simplify right side
2,379,964.26x = 4,244,379,964,975.02 - Step 5: Solve for x
x = 4,244,379,964,975.02/2,379,964.26 - Step 6: Final answer
x = 1,783,379.71
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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.