Finding the Fourth Proportional to 3,561,427.99, 4,914,860.97 and 2,185,531.66
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Solution
The fourth proportional to 3,561,427.99, 4,914,860.97 and 2,185,531.66 is: 3,016,089.13
Step by Step Solution
- Step 1: Write the proportion equation
3,561,427.99 : 4,914,860.97 = 2,185,531.66 : x - Step 2: Convert to fraction form
3,561,427.99/4,914,860.97 = 2,185,531.66/x - Step 3: Cross multiply
3,561,427.99x = 4,914,860.97 × 2,185,531.66 - Step 4: Simplify right side
3,561,427.99x = 10,741,584,254,433.31 - Step 5: Solve for x
x = 10,741,584,254,433.31/3,561,427.99 - Step 6: Final answer
x = 3,016,089.13
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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.