Finding the Fourth Proportional to 4,086,379.43, 5,639,203.58 and 2,368,496.39
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Solution
The fourth proportional to 4,086,379.43, 5,639,203.58 and 2,368,496.39 is: 3,268,524.99
Step by Step Solution
- Step 1: Write the proportion equation
4,086,379.43 : 5,639,203.58 = 2,368,496.39 : x - Step 2: Convert to fraction form
4,086,379.43/5,639,203.58 = 2,368,496.39/x - Step 3: Cross multiply
4,086,379.43x = 5,639,203.58 × 2,368,496.39 - Step 4: Simplify right side
4,086,379.43x = 13,356,433,281,666.58 - Step 5: Solve for x
x = 13,356,433,281,666.58/4,086,379.43 - Step 6: Final answer
x = 3,268,524.99
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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.