Finding the Fourth Proportional to 4,914,769.95, 6,782,414.00 and 2,739,451.05
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Solution
The fourth proportional to 4,914,769.95, 6,782,414.00 and 2,739,451.05 is: 3,780,459.99
Step by Step Solution
- Step 1: Write the proportion equation
4,914,769.95 : 6,782,414.00 = 2,739,451.05 : x - Step 2: Convert to fraction form
4,914,769.95/6,782,414.00 = 2,739,451.05/x - Step 3: Cross multiply
4,914,769.95x = 6,782,414.00 × 2,739,451.05 - Step 4: Simplify right side
4,914,769.95x = 18,580,091,140,137.45 - Step 5: Solve for x
x = 18,580,091,140,137.45/4,914,769.95 - Step 6: Final answer
x = 3,780,459.99
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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.