Finding the Fourth Proportional to 1,522,915.68, 2,101,636.08 and 843,863.52
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Solution
The fourth proportional to 1,522,915.68, 2,101,636.08 and 843,863.52 is: 1,164,538.55
Step by Step Solution
- Step 1: Write the proportion equation
1,522,915.68 : 2,101,636.08 = 843,863.52 : x - Step 2: Convert to fraction form
1,522,915.68/2,101,636.08 = 843,863.52/x - Step 3: Cross multiply
1,522,915.68x = 2,101,636.08 × 843,863.52 - Step 4: Simplify right side
1,522,915.68x = 1,773,494,020,227.80 - Step 5: Solve for x
x = 1,773,494,020,227.80/1,522,915.68 - Step 6: Final answer
x = 1,164,538.55
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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.