Finding the Fourth Proportional to 3,936,638.88, 5,891,565.24 and 2,419,521.84
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Solution
The fourth proportional to 3,936,638.88, 5,891,565.24 and 2,419,521.84 is: 3,621,051.16
Step by Step Solution
- Step 1: Write the proportion equation
3,936,638.88 : 5,891,565.24 = 2,419,521.84 : x - Step 2: Convert to fraction form
3,936,638.88/5,891,565.24 = 2,419,521.84/x - Step 3: Cross multiply
3,936,638.88x = 5,891,565.24 × 2,419,521.84 - Step 4: Simplify right side
3,936,638.88x = 14,254,770,769,964.84 - Step 5: Solve for x
x = 14,254,770,769,964.84/3,936,638.88 - Step 6: Final answer
x = 3,621,051.16
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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.