Finding the Fourth Proportional to 2,836,635.48, 3,914,021.58 and 1,690,822.44
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Solution
The fourth proportional to 2,836,635.48, 3,914,021.58 and 1,690,822.44 is: 2,333,015.84
Step by Step Solution
- Step 1: Write the proportion equation
2,836,635.48 : 3,914,021.58 = 1,690,822.44 : x - Step 2: Convert to fraction form
2,836,635.48/3,914,021.58 = 1,690,822.44/x - Step 3: Cross multiply
2,836,635.48x = 3,914,021.58 × 1,690,822.44 - Step 4: Simplify right side
2,836,635.48x = 6,617,915,518,108.26 - Step 5: Solve for x
x = 6,617,915,518,108.26/2,836,635.48 - Step 6: Final answer
x = 2,333,015.84
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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.