Finding the Fourth Proportional to 1,982,880.97, 2,974,331.72 and 902,638.07
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Solution
The fourth proportional to 1,982,880.97, 2,974,331.72 and 902,638.07 is: 1,353,961.78
Step by Step Solution
- Step 1: Write the proportion equation
1,982,880.97 : 2,974,331.72 = 902,638.07 : x - Step 2: Convert to fraction form
1,982,880.97/2,974,331.72 = 902,638.07/x - Step 3: Cross multiply
1,982,880.97x = 2,974,331.72 × 902,638.07 - Step 4: Simplify right side
1,982,880.97x = 2,684,745,043,280.58 - Step 5: Solve for x
x = 2,684,745,043,280.58/1,982,880.97 - Step 6: Final answer
x = 1,353,961.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.