Finding the Fourth Proportional to 3,836,551.36, 5,294,411.68 and 2,117,671.68
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Solution
The fourth proportional to 3,836,551.36, 5,294,411.68 and 2,117,671.68 is: 2,922,370.80
Step by Step Solution
- Step 1: Write the proportion equation
3,836,551.36 : 5,294,411.68 = 2,117,671.68 : x - Step 2: Convert to fraction form
3,836,551.36/5,294,411.68 = 2,117,671.68/x - Step 3: Cross multiply
3,836,551.36x = 5,294,411.68 × 2,117,671.68 - Step 4: Simplify right side
3,836,551.36x = 11,211,825,676,997.22 - Step 5: Solve for x
x = 11,211,825,676,997.22/3,836,551.36 - Step 6: Final answer
x = 2,922,370.80
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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.