Finding the Fourth Proportional to 2,322,108.09, 3,204,517.05 and 1,289,618.55
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Solution
The fourth proportional to 2,322,108.09, 3,204,517.05 and 1,289,618.55 is: 1,779,677.98
Step by Step Solution
- Step 1: Write the proportion equation
2,322,108.09 : 3,204,517.05 = 1,289,618.55 : x - Step 2: Convert to fraction form
2,322,108.09/3,204,517.05 = 1,289,618.55/x - Step 3: Cross multiply
2,322,108.09x = 3,204,517.05 × 1,289,618.55 - Step 4: Simplify right side
2,322,108.09x = 4,132,604,631,471.28 - Step 5: Solve for x
x = 4,132,604,631,471.28/2,322,108.09 - Step 6: Final answer
x = 1,779,677.98
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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.