Finding the Fourth Proportional to 4,976,331.04, 7,464,447.60 and 2,279,891.44
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Solution
The fourth proportional to 4,976,331.04, 7,464,447.60 and 2,279,891.44 is: 3,419,814.73
Step by Step Solution
- Step 1: Write the proportion equation
4,976,331.04 : 7,464,447.60 = 2,279,891.44 : x - Step 2: Convert to fraction form
4,976,331.04/7,464,447.60 = 2,279,891.44/x - Step 3: Cross multiply
4,976,331.04x = 7,464,447.60 × 2,279,891.44 - Step 4: Simplify right side
4,976,331.04x = 17,018,130,187,568.54 - Step 5: Solve for x
x = 17,018,130,187,568.54/4,976,331.04 - Step 6: Final answer
x = 3,419,814.73
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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.