Finding the Fourth Proportional to 2,618,302.38, 3,927,414.12 and 1,177,968.61
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Solution
The fourth proportional to 2,618,302.38, 3,927,414.12 and 1,177,968.61 is: 1,766,935.17
Step by Step Solution
- Step 1: Write the proportion equation
2,618,302.38 : 3,927,414.12 = 1,177,968.61 : x - Step 2: Convert to fraction form
2,618,302.38/3,927,414.12 = 1,177,968.61/x - Step 3: Cross multiply
2,618,302.38x = 3,927,414.12 × 1,177,968.61 - Step 4: Simplify right side
2,618,302.38x = 4,626,370,551,830.77 - Step 5: Solve for x
x = 4,626,370,551,830.77/2,618,302.38 - Step 6: Final answer
x = 1,766,935.17
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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.