Finding the Fourth Proportional to 2,102,869.84, 3,154,609.24 and 663,064.54
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Solution
The fourth proportional to 2,102,869.84, 3,154,609.24 and 663,064.54 is: 994,692.82
Step by Step Solution
- Step 1: Write the proportion equation
2,102,869.84 : 3,154,609.24 = 663,064.54 : x - Step 2: Convert to fraction form
2,102,869.84/3,154,609.24 = 663,064.54/x - Step 3: Cross multiply
2,102,869.84x = 3,154,609.24 × 663,064.54 - Step 4: Simplify right side
2,102,869.84x = 2,091,709,524,600.35 - Step 5: Solve for x
x = 2,091,709,524,600.35/2,102,869.84 - Step 6: Final answer
x = 994,692.82
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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.