Finding the Fourth Proportional to 2,675,525.19, 3,691,173.69 and 1,528,990.44
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Solution
The fourth proportional to 2,675,525.19, 3,691,173.69 and 1,528,990.44 is: 2,109,406.15
Step by Step Solution
- Step 1: Write the proportion equation
2,675,525.19 : 3,691,173.69 = 1,528,990.44 : x - Step 2: Convert to fraction form
2,675,525.19/3,691,173.69 = 1,528,990.44/x - Step 3: Cross multiply
2,675,525.19x = 3,691,173.69 × 1,528,990.44 - Step 4: Simplify right side
2,675,525.19x = 5,643,769,284,389.52 - Step 5: Solve for x
x = 5,643,769,284,389.52/2,675,525.19 - Step 6: Final answer
x = 2,109,406.15
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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.