Finding the Fourth Proportional to 3,875,563.20, 5,809,197.60 and 1,745,284.80
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Solution
The fourth proportional to 3,875,563.20, 5,809,197.60 and 1,745,284.80 is: 2,616,059.59
Step by Step Solution
- Step 1: Write the proportion equation
3,875,563.20 : 5,809,197.60 = 1,745,284.80 : x - Step 2: Convert to fraction form
3,875,563.20/5,809,197.60 = 1,745,284.80/x - Step 3: Cross multiply
3,875,563.20x = 5,809,197.60 × 1,745,284.80 - Step 4: Simplify right side
3,875,563.20x = 10,138,704,271,476.48 - Step 5: Solve for x
x = 10,138,704,271,476.48/3,875,563.20 - Step 6: Final answer
x = 2,616,059.59
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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.