Finding the Fourth Proportional to 2,898,847.40, 4,348,271.10 and 1,821,093.80
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Solution
The fourth proportional to 2,898,847.40, 4,348,271.10 and 1,821,093.80 is: 2,731,640.70
Step by Step Solution
- Step 1: Write the proportion equation
2,898,847.40 : 4,348,271.10 = 1,821,093.80 : x - Step 2: Convert to fraction form
2,898,847.40/4,348,271.10 = 1,821,093.80/x - Step 3: Cross multiply
2,898,847.40x = 4,348,271.10 × 1,821,093.80 - Step 4: Simplify right side
2,898,847.40x = 7,918,609,540,929.18 - Step 5: Solve for x
x = 7,918,609,540,929.18/2,898,847.40 - Step 6: Final answer
x = 2,731,640.70
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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.