Finding the Fourth Proportional to 1,554,642.68, 2,331,493.25 and 543,576.15
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Solution
The fourth proportional to 1,554,642.68, 2,331,493.25 and 543,576.15 is: 815,199.62
Step by Step Solution
- Step 1: Write the proportion equation
1,554,642.68 : 2,331,493.25 = 543,576.15 : x - Step 2: Convert to fraction form
1,554,642.68/2,331,493.25 = 543,576.15/x - Step 3: Cross multiply
1,554,642.68x = 2,331,493.25 × 543,576.15 - Step 4: Simplify right side
1,554,642.68x = 1,267,344,121,868.11 - Step 5: Solve for x
x = 1,267,344,121,868.11/1,554,642.68 - Step 6: Final answer
x = 815,199.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.