Finding the Fourth Proportional to 2,379,992.00, 3,284,412.56 and 1,292,272.49
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Solution
The fourth proportional to 2,379,992.00, 3,284,412.56 and 1,292,272.49 is: 1,783,348.84
Step by Step Solution
- Step 1: Write the proportion equation
2,379,992.00 : 3,284,412.56 = 1,292,272.49 : x - Step 2: Convert to fraction form
2,379,992.00/3,284,412.56 = 1,292,272.49/x - Step 3: Cross multiply
2,379,992.00x = 3,284,412.56 × 1,292,272.49 - Step 4: Simplify right side
2,379,992.00x = 4,244,355,974,215.05 - Step 5: Solve for x
x = 4,244,355,974,215.05/2,379,992.00 - Step 6: Final answer
x = 1,783,348.84
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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.