Finding the Fourth Proportional to 2,115,453.76, 2,914,096.93 and 1,804,342.84
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Solution
The fourth proportional to 2,115,453.76, 2,914,096.93 and 1,804,342.84 is: 2,485,532.90
Step by Step Solution
- Step 1: Write the proportion equation
2,115,453.76 : 2,914,096.93 = 1,804,342.84 : x - Step 2: Convert to fraction form
2,115,453.76/2,914,096.93 = 1,804,342.84/x - Step 3: Cross multiply
2,115,453.76x = 2,914,096.93 × 1,804,342.84 - Step 4: Simplify right side
2,115,453.76x = 5,258,029,918,915.38 - Step 5: Solve for x
x = 5,258,029,918,915.38/2,115,453.76 - Step 6: Final answer
x = 2,485,532.90
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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.