Finding the Fourth Proportional to 2,751,215.10, 4,129,933.05 and 2,122,914.30
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Solution
The fourth proportional to 2,751,215.10, 4,129,933.05 and 2,122,914.30 is: 3,186,771.52
Step by Step Solution
- Step 1: Write the proportion equation
2,751,215.10 : 4,129,933.05 = 2,122,914.30 : x - Step 2: Convert to fraction form
2,751,215.10/4,129,933.05 = 2,122,914.30/x - Step 3: Cross multiply
2,751,215.10x = 4,129,933.05 × 2,122,914.30 - Step 4: Simplify right side
2,751,215.10x = 8,767,493,929,887.61 - Step 5: Solve for x
x = 8,767,493,929,887.61/2,751,215.10 - Step 6: Final answer
x = 3,186,771.52
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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.