Finding the Fourth Proportional to 1,985,475.26, 2,740,554.88 and 1,716,433.29
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Solution
The fourth proportional to 1,985,475.26, 2,740,554.88 and 1,716,433.29 is: 2,369,195.79
Step by Step Solution
- Step 1: Write the proportion equation
1,985,475.26 : 2,740,554.88 = 1,716,433.29 : x - Step 2: Convert to fraction form
1,985,475.26/2,740,554.88 = 1,716,433.29/x - Step 3: Cross multiply
1,985,475.26x = 2,740,554.88 × 1,716,433.29 - Step 4: Simplify right side
1,985,475.26x = 4,703,979,624,812.87 - Step 5: Solve for x
x = 4,703,979,624,812.87/1,985,475.26 - Step 6: Final answer
x = 2,369,195.79
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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.