Finding the Fourth Proportional to 7,243,900.80, 10,872,849.60 and 4,409,548.80
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Solution
The fourth proportional to 7,243,900.80, 10,872,849.60 and 4,409,548.80 is: 6,618,583.31
Step by Step Solution
- Step 1: Write the proportion equation
7,243,900.80 : 10,872,849.60 = 4,409,548.80 : x - Step 2: Convert to fraction form
7,243,900.80/10,872,849.60 = 4,409,548.80/x - Step 3: Cross multiply
7,243,900.80x = 10,872,849.60 × 4,409,548.80 - Step 4: Simplify right side
7,243,900.80x = 47,944,360,906,260.48 - Step 5: Solve for x
x = 47,944,360,906,260.48/7,243,900.80 - Step 6: Final answer
x = 6,618,583.31
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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.