Finding the Fourth Proportional to 4,374,662.80, 6,561,994.20 and 3,576,845.20
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Solution
The fourth proportional to 4,374,662.80, 6,561,994.20 and 3,576,845.20 is: 5,365,267.80
Step by Step Solution
- Step 1: Write the proportion equation
4,374,662.80 : 6,561,994.20 = 3,576,845.20 : x - Step 2: Convert to fraction form
4,374,662.80/6,561,994.20 = 3,576,845.20/x - Step 3: Cross multiply
4,374,662.80x = 6,561,994.20 × 3,576,845.20 - Step 4: Simplify right side
4,374,662.80x = 23,471,237,456,697.84 - Step 5: Solve for x
x = 23,471,237,456,697.84/4,374,662.80 - Step 6: Final answer
x = 5,365,267.80
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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.