Finding the Fourth Proportional to 2,982,181.70, 4,473,272.55 and 738,319.70
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Solution
The fourth proportional to 2,982,181.70, 4,473,272.55 and 738,319.70 is: 1,107,479.55
Step by Step Solution
- Step 1: Write the proportion equation
2,982,181.70 : 4,473,272.55 = 738,319.70 : x - Step 2: Convert to fraction form
2,982,181.70/4,473,272.55 = 738,319.70/x - Step 3: Cross multiply
2,982,181.70x = 4,473,272.55 × 738,319.70 - Step 4: Simplify right side
2,982,181.70x = 3,302,705,247,134.24 - Step 5: Solve for x
x = 3,302,705,247,134.24/2,982,181.70 - Step 6: Final answer
x = 1,107,479.55
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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.