Finding the Fourth Proportional to 3,348,236.55, 4,620,543.70 and 1,820,343.68
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Solution
The fourth proportional to 3,348,236.55, 4,620,543.70 and 1,820,343.68 is: 2,512,061.91
Step by Step Solution
- Step 1: Write the proportion equation
3,348,236.55 : 4,620,543.70 = 1,820,343.68 : x - Step 2: Convert to fraction form
3,348,236.55/4,620,543.70 = 1,820,343.68/x - Step 3: Cross multiply
3,348,236.55x = 4,620,543.70 × 1,820,343.68 - Step 4: Simplify right side
3,348,236.55x = 8,410,977,515,545.42 - Step 5: Solve for x
x = 8,410,977,515,545.42/3,348,236.55 - Step 6: Final answer
x = 2,512,061.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.