Finding the Fourth Proportional to 4,598,982.20, 6,898,473.30 and 4,392,543.80
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Solution
The fourth proportional to 4,598,982.20, 6,898,473.30 and 4,392,543.80 is: 6,588,815.70
Step by Step Solution
- Step 1: Write the proportion equation
4,598,982.20 : 6,898,473.30 = 4,392,543.80 : x - Step 2: Convert to fraction form
4,598,982.20/6,898,473.30 = 4,392,543.80/x - Step 3: Cross multiply
4,598,982.20x = 6,898,473.30 × 4,392,543.80 - Step 4: Simplify right side
4,598,982.20x = 30,301,846,123,380.54 - Step 5: Solve for x
x = 30,301,846,123,380.54/4,598,982.20 - Step 6: Final answer
x = 6,588,815.70
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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.