Finding the Fourth Proportional to 3,836,584.96, 5,294,487.52 and 2,117,705.92
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Solution
The fourth proportional to 3,836,584.96, 5,294,487.52 and 2,117,705.92 is: 2,922,434.32
Step by Step Solution
- Step 1: Write the proportion equation
3,836,584.96 : 5,294,487.52 = 2,117,705.92 : x - Step 2: Convert to fraction form
3,836,584.96/5,294,487.52 = 2,117,705.92/x - Step 3: Cross multiply
3,836,584.96x = 5,294,487.52 × 2,117,705.92 - Step 4: Simplify right side
3,836,584.96x = 11,212,167,564,470.12 - Step 5: Solve for x
x = 11,212,167,564,470.12/3,836,584.96 - Step 6: Final answer
x = 2,922,434.32
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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.