Finding the Fourth Proportional to 3,403,611.36, 5,106,924.68 and 1,783,995.28
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Solution
The fourth proportional to 3,403,611.36, 5,106,924.68 and 1,783,995.28 is: 2,676,783.15
Step by Step Solution
- Step 1: Write the proportion equation
3,403,611.36 : 5,106,924.68 = 1,783,995.28 : x - Step 2: Convert to fraction form
3,403,611.36/5,106,924.68 = 1,783,995.28/x - Step 3: Cross multiply
3,403,611.36x = 5,106,924.68 × 1,783,995.28 - Step 4: Simplify right side
3,403,611.36x = 9,110,729,524,435.51 - Step 5: Solve for x
x = 9,110,729,524,435.51/3,403,611.36 - Step 6: Final answer
x = 2,676,783.15
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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.