Finding the Fourth Proportional to 3,984,982.28, 5,973,686.04 and 1,557,691.68
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Solution
The fourth proportional to 3,984,982.28, 5,973,686.04 and 1,557,691.68 is: 2,335,057.07
Step by Step Solution
- Step 1: Write the proportion equation
3,984,982.28 : 5,973,686.04 = 1,557,691.68 : x - Step 2: Convert to fraction form
3,984,982.28/5,973,686.04 = 1,557,691.68/x - Step 3: Cross multiply
3,984,982.28x = 5,973,686.04 × 1,557,691.68 - Step 4: Simplify right side
3,984,982.28x = 9,305,161,043,440.15 - Step 5: Solve for x
x = 9,305,161,043,440.15/3,984,982.28 - Step 6: Final answer
x = 2,335,057.07
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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.