Finding the Fourth Proportional to 3,737,665.20, 5,609,122.20 and 1,609,276.80
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Solution
The fourth proportional to 3,737,665.20, 5,609,122.20 and 1,609,276.80 is: 2,415,045.15
Step by Step Solution
- Step 1: Write the proportion equation
3,737,665.20 : 5,609,122.20 = 1,609,276.80 : x - Step 2: Convert to fraction form
3,737,665.20/5,609,122.20 = 1,609,276.80/x - Step 3: Cross multiply
3,737,665.20x = 5,609,122.20 × 1,609,276.80 - Step 4: Simplify right side
3,737,665.20x = 9,026,630,224,824.96 - Step 5: Solve for x
x = 9,026,630,224,824.96/3,737,665.20 - Step 6: Final answer
x = 2,415,045.15
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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.