Finding the Fourth Proportional to 3,912,091.47, 5,863,995.48 and 1,315,924.75
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Solution
The fourth proportional to 3,912,091.47, 5,863,995.48 and 1,315,924.75 is: 1,972,493.96
Step by Step Solution
- Step 1: Write the proportion equation
3,912,091.47 : 5,863,995.48 = 1,315,924.75 : x - Step 2: Convert to fraction form
3,912,091.47/5,863,995.48 = 1,315,924.75/x - Step 3: Cross multiply
3,912,091.47x = 5,863,995.48 × 1,315,924.75 - Step 4: Simplify right side
3,912,091.47x = 7,716,576,786,020.13 - Step 5: Solve for x
x = 7,716,576,786,020.13/3,912,091.47 - Step 6: Final answer
x = 1,972,493.96
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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.