Finding the Fourth Proportional to 1,193,909.11, 1,647,327.84 and 1,001,096.71
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Solution
The fourth proportional to 1,193,909.11, 1,647,327.84 and 1,001,096.71 is: 1,381,289.80
Step by Step Solution
- Step 1: Write the proportion equation
1,193,909.11 : 1,647,327.84 = 1,001,096.71 : x - Step 2: Convert to fraction form
1,193,909.11/1,647,327.84 = 1,001,096.71/x - Step 3: Cross multiply
1,193,909.11x = 1,647,327.84 × 1,001,096.71 - Step 4: Simplify right side
1,193,909.11x = 1,649,134,480,915.41 - Step 5: Solve for x
x = 1,649,134,480,915.41/1,193,909.11 - Step 6: Final answer
x = 1,381,289.80
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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.