Finding the Fourth Proportional to 6,254,858.75, 8,631,646.76 and 3,538,604.75
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Solution
The fourth proportional to 6,254,858.75, 8,631,646.76 and 3,538,604.75 is: 4,883,241.56
Step by Step Solution
- Step 1: Write the proportion equation
6,254,858.75 : 8,631,646.76 = 3,538,604.75 : x - Step 2: Convert to fraction form
6,254,858.75/8,631,646.76 = 3,538,604.75/x - Step 3: Cross multiply
6,254,858.75x = 8,631,646.76 × 3,538,604.75 - Step 4: Simplify right side
6,254,858.75x = 30,543,986,207,565.09 - Step 5: Solve for x
x = 30,543,986,207,565.09/6,254,858.75 - Step 6: Final answer
x = 4,883,241.56
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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.