Finding the Fourth Proportional to 2,769,832.20, 4,154,748.30 and 876,721.80
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Solution
The fourth proportional to 2,769,832.20, 4,154,748.30 and 876,721.80 is: 1,315,082.70
Step by Step Solution
- Step 1: Write the proportion equation
2,769,832.20 : 4,154,748.30 = 876,721.80 : x - Step 2: Convert to fraction form
2,769,832.20/4,154,748.30 = 876,721.80/x - Step 3: Cross multiply
2,769,832.20x = 4,154,748.30 × 876,721.80 - Step 4: Simplify right side
2,769,832.20x = 3,642,558,408,122.94 - Step 5: Solve for x
x = 3,642,558,408,122.94/2,769,832.20 - Step 6: Final answer
x = 1,315,082.70
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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.