Finding the Fourth Proportional to 5,780,428.80, 8,670,643.20 and 1,737,540.60
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Solution
The fourth proportional to 5,780,428.80, 8,670,643.20 and 1,737,540.60 is: 2,606,310.90
Step by Step Solution
- Step 1: Write the proportion equation
5,780,428.80 : 8,670,643.20 = 1,737,540.60 : x - Step 2: Convert to fraction form
5,780,428.80/8,670,643.20 = 1,737,540.60/x - Step 3: Cross multiply
5,780,428.80x = 8,670,643.20 × 1,737,540.60 - Step 4: Simplify right side
5,780,428.80x = 15,065,594,588,113.92 - Step 5: Solve for x
x = 15,065,594,588,113.92/5,780,428.80 - Step 6: Final answer
x = 2,606,310.90
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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.