Finding the Fourth Proportional to 2,379,936.18, 3,284,369.00 and 1,292,253.60
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Solution
The fourth proportional to 2,379,936.18, 3,284,369.00 and 1,292,253.60 is: 1,783,340.95
Step by Step Solution
- Step 1: Write the proportion equation
2,379,936.18 : 3,284,369.00 = 1,292,253.60 : x - Step 2: Convert to fraction form
2,379,936.18/3,284,369.00 = 1,292,253.60/x - Step 3: Cross multiply
2,379,936.18x = 3,284,369.00 × 1,292,253.60 - Step 4: Simplify right side
2,379,936.18x = 4,244,237,657,517.13 - Step 5: Solve for x
x = 4,244,237,657,517.13/2,379,936.18 - Step 6: Final answer
x = 1,783,340.95
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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.