Finding the Fourth Proportional to 1,821,878.70, 2,732,295.60 and 542,432.67
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Solution
The fourth proportional to 1,821,878.70, 2,732,295.60 and 542,432.67 is: 813,493.45
Step by Step Solution
- Step 1: Write the proportion equation
1,821,878.70 : 2,732,295.60 = 542,432.67 : x - Step 2: Convert to fraction form
1,821,878.70/2,732,295.60 = 542,432.67/x - Step 3: Cross multiply
1,821,878.70x = 2,732,295.60 × 542,432.67 - Step 4: Simplify right side
1,821,878.70x = 1,482,086,397,537.25 - Step 5: Solve for x
x = 1,482,086,397,537.25/1,821,878.70 - Step 6: Final answer
x = 813,493.45
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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.