Finding the Fourth Proportional to 1,554,611.20, 2,331,916.80 and 543,397.08
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Solution
The fourth proportional to 1,554,611.20, 2,331,916.80 and 543,397.08 is: 815,095.62
Step by Step Solution
- Step 1: Write the proportion equation
1,554,611.20 : 2,331,916.80 = 543,397.08 : x - Step 2: Convert to fraction form
1,554,611.20/2,331,916.80 = 543,397.08/x - Step 3: Cross multiply
1,554,611.20x = 2,331,916.80 × 543,397.08 - Step 4: Simplify right side
1,554,611.20x = 1,267,156,779,922.94 - Step 5: Solve for x
x = 1,267,156,779,922.94/1,554,611.20 - Step 6: Final answer
x = 815,095.62
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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.