Finding the Fourth Proportional to 3,369,129.64, 4,649,399.44 and 1,918,960.12
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Solution
The fourth proportional to 3,369,129.64, 4,649,399.44 and 1,918,960.12 is: 2,648,165.27
Step by Step Solution
- Step 1: Write the proportion equation
3,369,129.64 : 4,649,399.44 = 1,918,960.12 : x - Step 2: Convert to fraction form
3,369,129.64/4,649,399.44 = 1,918,960.12/x - Step 3: Cross multiply
3,369,129.64x = 4,649,399.44 × 1,918,960.12 - Step 4: Simplify right side
3,369,129.64x = 8,922,012,107,310.33 - Step 5: Solve for x
x = 8,922,012,107,310.33/3,369,129.64 - Step 6: Final answer
x = 2,648,165.27
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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.