Finding the Fourth Proportional to 3,198,885.21, 4,414,461.84 and 1,748,586.42
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Solution
The fourth proportional to 3,198,885.21, 4,414,461.84 and 1,748,586.42 is: 2,413,049.40
Step by Step Solution
- Step 1: Write the proportion equation
3,198,885.21 : 4,414,461.84 = 1,748,586.42 : x - Step 2: Convert to fraction form
3,198,885.21/4,414,461.84 = 1,748,586.42/x - Step 3: Cross multiply
3,198,885.21x = 4,414,461.84 × 1,748,586.42 - Step 4: Simplify right side
3,198,885.21x = 7,719,068,025,032.21 - Step 5: Solve for x
x = 7,719,068,025,032.21/3,198,885.21 - Step 6: Final answer
x = 2,413,049.40
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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.