Finding the Fourth Proportional to 1,923,528.40, 2,885,292.60 and 1,841,621.20
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Solution
The fourth proportional to 1,923,528.40, 2,885,292.60 and 1,841,621.20 is: 2,762,431.80
Step by Step Solution
- Step 1: Write the proportion equation
1,923,528.40 : 2,885,292.60 = 1,841,621.20 : x - Step 2: Convert to fraction form
1,923,528.40/2,885,292.60 = 1,841,621.20/x - Step 3: Cross multiply
1,923,528.40x = 2,885,292.60 × 1,841,621.20 - Step 4: Simplify right side
1,923,528.40x = 5,313,616,020,363.12 - Step 5: Solve for x
x = 5,313,616,020,363.12/1,923,528.40 - Step 6: Final answer
x = 2,762,431.80
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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.