Finding the Fourth Proportional to 2,379,096.12, 3,283,160.28 and 1,291,368.60
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Solution
The fourth proportional to 2,379,096.12, 3,283,160.28 and 1,291,368.60 is: 1,782,092.81
Step by Step Solution
- Step 1: Write the proportion equation
2,379,096.12 : 3,283,160.28 = 1,291,368.60 : x - Step 2: Convert to fraction form
2,379,096.12/3,283,160.28 = 1,291,368.60/x - Step 3: Cross multiply
2,379,096.12x = 3,283,160.28 × 1,291,368.60 - Step 4: Simplify right side
2,379,096.12x = 4,239,770,094,359.21 - Step 5: Solve for x
x = 4,239,770,094,359.21/2,379,096.12 - Step 6: Final answer
x = 1,782,092.81
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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.