Finding the Fourth Proportional to 2,231,810.13, 3,074,431.36 and 1,618,159.80
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Solution
The fourth proportional to 2,231,810.13, 3,074,431.36 and 1,618,159.80 is: 2,229,096.99
Step by Step Solution
- Step 1: Write the proportion equation
2,231,810.13 : 3,074,431.36 = 1,618,159.80 : x - Step 2: Convert to fraction form
2,231,810.13/3,074,431.36 = 1,618,159.80/x - Step 3: Cross multiply
2,231,810.13x = 3,074,431.36 × 1,618,159.80 - Step 4: Simplify right side
2,231,810.13x = 4,974,921,245,129.10 - Step 5: Solve for x
x = 4,974,921,245,129.10/2,231,810.13 - Step 6: Final answer
x = 2,229,096.99
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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.