Finding the Fourth Proportional to 5,418,819.16, 8,133,101.70 and 2,896,630.36
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Solution
The fourth proportional to 5,418,819.16, 8,133,101.70 and 2,896,630.36 is: 4,347,550.38
Step by Step Solution
- Step 1: Write the proportion equation
5,418,819.16 : 8,133,101.70 = 2,896,630.36 : x - Step 2: Convert to fraction form
5,418,819.16/8,133,101.70 = 2,896,630.36/x - Step 3: Cross multiply
5,418,819.16x = 8,133,101.70 × 2,896,630.36 - Step 4: Simplify right side
5,418,819.16x = 23,558,589,305,187.61 - Step 5: Solve for x
x = 23,558,589,305,187.61/5,418,819.16 - Step 6: Final answer
x = 4,347,550.38
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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.