Finding the Fourth Proportional to 2,621,694.33, 3,932,753.72 and 728,435.97
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Solution
The fourth proportional to 2,621,694.33, 3,932,753.72 and 728,435.97 is: 1,092,712.92
Step by Step Solution
- Step 1: Write the proportion equation
2,621,694.33 : 3,932,753.72 = 728,435.97 : x - Step 2: Convert to fraction form
2,621,694.33/3,932,753.72 = 728,435.97/x - Step 3: Cross multiply
2,621,694.33x = 3,932,753.72 × 728,435.97 - Step 4: Simplify right side
2,621,694.33x = 2,864,759,267,157.13 - Step 5: Solve for x
x = 2,864,759,267,157.13/2,621,694.33 - Step 6: Final answer
x = 1,092,712.92
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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.