Finding the Fourth Proportional to 2,193,940.48, 3,027,629.28 and 1,227,066.88
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Solution
The fourth proportional to 2,193,940.48, 3,027,629.28 and 1,227,066.88 is: 1,693,347.49
Step by Step Solution
- Step 1: Write the proportion equation
2,193,940.48 : 3,027,629.28 = 1,227,066.88 : x - Step 2: Convert to fraction form
2,193,940.48/3,027,629.28 = 1,227,066.88/x - Step 3: Cross multiply
2,193,940.48x = 3,027,629.28 × 1,227,066.88 - Step 4: Simplify right side
2,193,940.48x = 3,715,103,614,406.25 - Step 5: Solve for x
x = 3,715,103,614,406.25/2,193,940.48 - Step 6: Final answer
x = 1,693,347.49
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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.