Finding the Fourth Proportional to 2,766,358.80, 4,149,538.20 and 2,748,644.10
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Solution
The fourth proportional to 2,766,358.80, 4,149,538.20 and 2,748,644.10 is: 4,122,966.15
Step by Step Solution
- Step 1: Write the proportion equation
2,766,358.80 : 4,149,538.20 = 2,748,644.10 : x - Step 2: Convert to fraction form
2,766,358.80/4,149,538.20 = 2,748,644.10/x - Step 3: Cross multiply
2,766,358.80x = 4,149,538.20 × 2,748,644.10 - Step 4: Simplify right side
2,766,358.80x = 11,405,603,691,154.62 - Step 5: Solve for x
x = 11,405,603,691,154.62/2,766,358.80 - Step 6: Final answer
x = 4,122,966.15
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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.