Finding the Fourth Proportional to 3,889,745.19, 5,835,484.69 and 1,194,305.36
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Solution
The fourth proportional to 3,889,745.19, 5,835,484.69 and 1,194,305.36 is: 1,791,724.21
Step by Step Solution
- Step 1: Write the proportion equation
3,889,745.19 : 5,835,484.69 = 1,194,305.36 : x - Step 2: Convert to fraction form
3,889,745.19/5,835,484.69 = 1,194,305.36/x - Step 3: Cross multiply
3,889,745.19x = 5,835,484.69 × 1,194,305.36 - Step 4: Simplify right side
3,889,745.19x = 6,969,350,611,301.75 - Step 5: Solve for x
x = 6,969,350,611,301.75/3,889,745.19 - Step 6: Final answer
x = 1,791,724.21
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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.