Finding the Fourth Proportional to 2,629,951.68, 3,938,948.82 and 2,057,766.96
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Solution
The fourth proportional to 2,629,951.68, 3,938,948.82 and 2,057,766.96 is: 3,081,972.49
Step by Step Solution
- Step 1: Write the proportion equation
2,629,951.68 : 3,938,948.82 = 2,057,766.96 : x - Step 2: Convert to fraction form
2,629,951.68/3,938,948.82 = 2,057,766.96/x - Step 3: Cross multiply
2,629,951.68x = 3,938,948.82 × 2,057,766.96 - Step 4: Simplify right side
2,629,951.68x = 8,105,438,738,926.99 - Step 5: Solve for x
x = 8,105,438,738,926.99/2,629,951.68 - Step 6: Final answer
x = 3,081,972.49
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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.