Finding the Fourth Proportional to 5,022,147.12, 6,930,641.92 and 2,730,316.56
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Solution
The fourth proportional to 5,022,147.12, 6,930,641.92 and 2,730,316.56 is: 3,767,879.74
Step by Step Solution
- Step 1: Write the proportion equation
5,022,147.12 : 6,930,641.92 = 2,730,316.56 : x - Step 2: Convert to fraction form
5,022,147.12/6,930,641.92 = 2,730,316.56/x - Step 3: Cross multiply
5,022,147.12x = 6,930,641.92 × 2,730,316.56 - Step 4: Simplify right side
5,022,147.12x = 18,922,846,405,606.20 - Step 5: Solve for x
x = 18,922,846,405,606.20/5,022,147.12 - Step 6: Final answer
x = 3,767,879.74
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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.