Finding the Fourth Proportional to 3,279,447.61, 4,525,643.91 and 1,829,236.99
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Solution
The fourth proportional to 3,279,447.61, 4,525,643.91 and 1,829,236.99 is: 2,524,350.51
Step by Step Solution
- Step 1: Write the proportion equation
3,279,447.61 : 4,525,643.91 = 1,829,236.99 : x - Step 2: Convert to fraction form
3,279,447.61/4,525,643.91 = 1,829,236.99/x - Step 3: Cross multiply
3,279,447.61x = 4,525,643.91 × 1,829,236.99 - Step 4: Simplify right side
3,279,447.61x = 8,278,475,243,740.23 - Step 5: Solve for x
x = 8,278,475,243,740.23/3,279,447.61 - Step 6: Final answer
x = 2,524,350.51
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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.