Finding the Fourth Proportional to 3,836,553.36, 5,294,414.44 and 2,117,673.68
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Solution
The fourth proportional to 3,836,553.36, 5,294,414.44 and 2,117,673.68 is: 2,922,373.56
Step by Step Solution
- Step 1: Write the proportion equation
3,836,553.36 : 5,294,414.44 = 2,117,673.68 : x - Step 2: Convert to fraction form
3,836,553.36/5,294,414.44 = 2,117,673.68/x - Step 3: Cross multiply
3,836,553.36x = 5,294,414.44 × 2,117,673.68 - Step 4: Simplify right side
3,836,553.36x = 11,211,842,110,599.94 - Step 5: Solve for x
x = 11,211,842,110,599.94/3,836,553.36 - Step 6: Final answer
x = 2,922,373.56
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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.