Finding the Fourth Proportional to 3,738,319.20, 5,610,103.20 and 1,609,930.80
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Solution
The fourth proportional to 3,738,319.20, 5,610,103.20 and 1,609,930.80 is: 2,416,026.41
Step by Step Solution
- Step 1: Write the proportion equation
3,738,319.20 : 5,610,103.20 = 1,609,930.80 : x - Step 2: Convert to fraction form
3,738,319.20/5,610,103.20 = 1,609,930.80/x - Step 3: Cross multiply
3,738,319.20x = 5,610,103.20 × 1,609,930.80 - Step 4: Simplify right side
3,738,319.20x = 9,031,877,932,858.56 - Step 5: Solve for x
x = 9,031,877,932,858.56/3,738,319.20 - Step 6: Final answer
x = 2,416,026.41
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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.