Finding the Fourth Proportional to 3,802,482.12, 5,245,462.62 and 2,578,373.40
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Solution
The fourth proportional to 3,802,482.12, 5,245,462.62 and 2,578,373.40 is: 3,556,824.43
Step by Step Solution
- Step 1: Write the proportion equation
3,802,482.12 : 5,245,462.62 = 2,578,373.40 : x - Step 2: Convert to fraction form
3,802,482.12/5,245,462.62 = 2,578,373.40/x - Step 3: Cross multiply
3,802,482.12x = 5,245,462.62 × 2,578,373.40 - Step 4: Simplify right side
3,802,482.12x = 13,524,761,290,102.31 - Step 5: Solve for x
x = 13,524,761,290,102.31/3,802,482.12 - Step 6: Final answer
x = 3,556,824.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.