Finding the Fourth Proportional to 4,028,809.60, 6,050,212.80 and 2,139,241.60
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Solution
The fourth proportional to 4,028,809.60, 6,050,212.80 and 2,139,241.60 is: 3,212,578.45
Step by Step Solution
- Step 1: Write the proportion equation
4,028,809.60 : 6,050,212.80 = 2,139,241.60 : x - Step 2: Convert to fraction form
4,028,809.60/6,050,212.80 = 2,139,241.60/x - Step 3: Cross multiply
4,028,809.60x = 6,050,212.80 × 2,139,241.60 - Step 4: Simplify right side
4,028,809.60x = 12,942,866,910,612.48 - Step 5: Solve for x
x = 12,942,866,910,612.48/4,028,809.60 - Step 6: Final answer
x = 3,212,578.45
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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.