Finding the Fourth Proportional to 2,379,962.26, 3,284,404.99 and 1,292,279.68
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Solution
The fourth proportional to 2,379,962.26, 3,284,404.99 and 1,292,279.68 is: 1,783,376.95
Step by Step Solution
- Step 1: Write the proportion equation
2,379,962.26 : 3,284,404.99 = 1,292,279.68 : x - Step 2: Convert to fraction form
2,379,962.26/3,284,404.99 = 1,292,279.68/x - Step 3: Cross multiply
2,379,962.26x = 3,284,404.99 × 1,292,279.68 - Step 4: Simplify right side
2,379,962.26x = 4,244,369,829,467.60 - Step 5: Solve for x
x = 4,244,369,829,467.60/2,379,962.26 - Step 6: Final answer
x = 1,783,376.95
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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.