Finding the Fourth Proportional to 6,418,233.16, 8,857,231.06 and 3,517,561.60
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Solution
The fourth proportional to 6,418,233.16, 8,857,231.06 and 3,517,561.60 is: 4,854,272.99
Step by Step Solution
- Step 1: Write the proportion equation
6,418,233.16 : 8,857,231.06 = 3,517,561.60 : x - Step 2: Convert to fraction form
6,418,233.16/8,857,231.06 = 3,517,561.60/x - Step 3: Cross multiply
6,418,233.16x = 8,857,231.06 × 3,517,561.60 - Step 4: Simplify right side
6,418,233.16x = 31,155,855,858,983.30 - Step 5: Solve for x
x = 31,155,855,858,983.30/6,418,233.16 - Step 6: Final answer
x = 4,854,272.99
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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.