Finding the Fourth Proportional to 4,239,548.20, 6,351,027.90 and 2,551,637.80
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Solution
The fourth proportional to 4,239,548.20, 6,351,027.90 and 2,551,637.80 is: 3,822,464.59
Step by Step Solution
- Step 1: Write the proportion equation
4,239,548.20 : 6,351,027.90 = 2,551,637.80 : x - Step 2: Convert to fraction form
4,239,548.20/6,351,027.90 = 2,551,637.80/x - Step 3: Cross multiply
4,239,548.20x = 6,351,027.90 × 2,551,637.80 - Step 4: Simplify right side
4,239,548.20x = 16,205,522,858,494.62 - Step 5: Solve for x
x = 16,205,522,858,494.62/4,239,548.20 - Step 6: Final answer
x = 3,822,464.59
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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.