Finding the Fourth Proportional to 1,538,544.42, 2,307,915.11 and 591,915.13
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Solution
The fourth proportional to 1,538,544.42, 2,307,915.11 and 591,915.13 is: 887,910.58
Step by Step Solution
- Step 1: Write the proportion equation
1,538,544.42 : 2,307,915.11 = 591,915.13 : x - Step 2: Convert to fraction form
1,538,544.42/2,307,915.11 = 591,915.13/x - Step 3: Cross multiply
1,538,544.42x = 2,307,915.11 × 591,915.13 - Step 4: Simplify right side
1,538,544.42x = 1,366,089,868,074.61 - Step 5: Solve for x
x = 1,366,089,868,074.61/1,538,544.42 - Step 6: Final answer
x = 887,910.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.