Finding the Fourth Proportional to 5,604,939.44, 7,731,592.92 and 3,539,219.12
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Solution
The fourth proportional to 5,604,939.44, 7,731,592.92 and 3,539,219.12 is: 4,882,086.91
Step by Step Solution
- Step 1: Write the proportion equation
5,604,939.44 : 7,731,592.92 = 3,539,219.12 : x - Step 2: Convert to fraction form
5,604,939.44/7,731,592.92 = 3,539,219.12/x - Step 3: Cross multiply
5,604,939.44x = 7,731,592.92 × 3,539,219.12 - Step 4: Simplify right side
5,604,939.44x = 27,363,801,490,520.63 - Step 5: Solve for x
x = 27,363,801,490,520.63/5,604,939.44 - Step 6: Final answer
x = 4,882,086.91
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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.