Finding the Fourth Proportional to 3,737,219.20, 5,157,361.20 and 2,018,340.08
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Solution
The fourth proportional to 3,737,219.20, 5,157,361.20 and 2,018,340.08 is: 2,785,308.61
Step by Step Solution
- Step 1: Write the proportion equation
3,737,219.20 : 5,157,361.20 = 2,018,340.08 : x - Step 2: Convert to fraction form
3,737,219.20/5,157,361.20 = 2,018,340.08/x - Step 3: Cross multiply
3,737,219.20x = 5,157,361.20 × 2,018,340.08 - Step 4: Simplify right side
3,737,219.20x = 10,409,308,816,996.90 - Step 5: Solve for x
x = 10,409,308,816,996.90/3,737,219.20 - Step 6: Final answer
x = 2,785,308.61
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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.