Finding the Fourth Proportional to 5,205,716.97, 7,183,839.49 and 2,999,769.35
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Solution
The fourth proportional to 5,205,716.97, 7,183,839.49 and 2,999,769.35 is: 4,139,652.93
Step by Step Solution
- Step 1: Write the proportion equation
5,205,716.97 : 7,183,839.49 = 2,999,769.35 : x - Step 2: Convert to fraction form
5,205,716.97/7,183,839.49 = 2,999,769.35/x - Step 3: Cross multiply
5,205,716.97x = 7,183,839.49 × 2,999,769.35 - Step 4: Simplify right side
5,205,716.97x = 21,549,861,502,422.79 - Step 5: Solve for x
x = 21,549,861,502,422.79/5,205,716.97 - Step 6: Final answer
x = 4,139,652.93
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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.