Finding the Fourth Proportional to 1,782,257.60, 2,676,010.80 and 1,383,348.80
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Solution
The fourth proportional to 1,782,257.60, 2,676,010.80 and 1,383,348.80 is: 2,077,060.20
Step by Step Solution
- Step 1: Write the proportion equation
1,782,257.60 : 2,676,010.80 = 1,383,348.80 : x - Step 2: Convert to fraction form
1,782,257.60/2,676,010.80 = 1,383,348.80/x - Step 3: Cross multiply
1,782,257.60x = 2,676,010.80 × 1,383,348.80 - Step 4: Simplify right side
1,782,257.60x = 3,701,856,328,967.04 - Step 5: Solve for x
x = 3,701,856,328,967.04/1,782,257.60 - Step 6: Final answer
x = 2,077,060.20
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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.