Finding the Fourth Proportional to 2,676,539.92, 4,011,755.64 and 1,078,079.44
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Solution
The fourth proportional to 2,676,539.92, 4,011,755.64 and 1,078,079.44 is: 1,615,888.95
Step by Step Solution
- Step 1: Write the proportion equation
2,676,539.92 : 4,011,755.64 = 1,078,079.44 : x - Step 2: Convert to fraction form
2,676,539.92/4,011,755.64 = 1,078,079.44/x - Step 3: Cross multiply
2,676,539.92x = 4,011,755.64 × 1,078,079.44 - Step 4: Simplify right side
2,676,539.92x = 4,324,991,273,788.04 - Step 5: Solve for x
x = 4,324,991,273,788.04/2,676,539.92 - Step 6: Final answer
x = 1,615,888.95
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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.