Finding the Fourth Proportional to 3,955,047.12, 5,457,815.91 and 2,236,204.53
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Solution
The fourth proportional to 3,955,047.12, 5,457,815.91 and 2,236,204.53 is: 3,085,877.94
Step by Step Solution
- Step 1: Write the proportion equation
3,955,047.12 : 5,457,815.91 = 2,236,204.53 : x - Step 2: Convert to fraction form
3,955,047.12/5,457,815.91 = 2,236,204.53/x - Step 3: Cross multiply
3,955,047.12x = 5,457,815.91 × 2,236,204.53 - Step 4: Simplify right side
3,955,047.12x = 12,204,792,661,848.07 - Step 5: Solve for x
x = 12,204,792,661,848.07/3,955,047.12 - Step 6: Final answer
x = 3,085,877.94
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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.