Finding the Fourth Proportional to 5,106,702.62, 7,047,037.46 and 2,783,543.92
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Solution
The fourth proportional to 5,106,702.62, 7,047,037.46 and 2,783,543.92 is: 3,841,174.97
Step by Step Solution
- Step 1: Write the proportion equation
5,106,702.62 : 7,047,037.46 = 2,783,543.92 : x - Step 2: Convert to fraction form
5,106,702.62/7,047,037.46 = 2,783,543.92/x - Step 3: Cross multiply
5,106,702.62x = 7,047,037.46 × 2,783,543.92 - Step 4: Simplify right side
5,106,702.62x = 19,615,738,275,795.24 - Step 5: Solve for x
x = 19,615,738,275,795.24/5,106,702.62 - Step 6: Final answer
x = 3,841,174.97
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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.