Finding the Fourth Proportional to 5,753,385.27, 7,942,656.80 and 4,202,905.95
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Solution
The fourth proportional to 5,753,385.27, 7,942,656.80 and 4,202,905.95 is: 5,802,190.88
Step by Step Solution
- Step 1: Write the proportion equation
5,753,385.27 : 7,942,656.80 = 4,202,905.95 : x - Step 2: Convert to fraction form
5,753,385.27/7,942,656.80 = 4,202,905.95/x - Step 3: Cross multiply
5,753,385.27x = 7,942,656.80 × 4,202,905.95 - Step 4: Simplify right side
5,753,385.27x = 33,382,239,523,527.96 - Step 5: Solve for x
x = 33,382,239,523,527.96/5,753,385.27 - Step 6: Final answer
x = 5,802,190.88
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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.