Finding the Fourth Proportional to 2,982,181.20, 4,473,271.80 and 738,319.20
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Solution
The fourth proportional to 2,982,181.20, 4,473,271.80 and 738,319.20 is: 1,107,478.80
Step by Step Solution
- Step 1: Write the proportion equation
2,982,181.20 : 4,473,271.80 = 738,319.20 : x - Step 2: Convert to fraction form
2,982,181.20/4,473,271.80 = 738,319.20/x - Step 3: Cross multiply
2,982,181.20x = 4,473,271.80 × 738,319.20 - Step 4: Simplify right side
2,982,181.20x = 3,302,702,456,758.56 - Step 5: Solve for x
x = 3,302,702,456,758.56/2,982,181.20 - Step 6: Final answer
x = 1,107,478.80
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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.