Finding the Fourth Proportional to 7,242,324.60, 10,864,944.90 and 2,124,744.60
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Solution
The fourth proportional to 7,242,324.60, 10,864,944.90 and 2,124,744.60 is: 3,187,544.65
Step by Step Solution
- Step 1: Write the proportion equation
7,242,324.60 : 10,864,944.90 = 2,124,744.60 : x - Step 2: Convert to fraction form
7,242,324.60/10,864,944.90 = 2,124,744.60/x - Step 3: Cross multiply
7,242,324.60x = 10,864,944.90 × 2,124,744.60 - Step 4: Simplify right side
7,242,324.60x = 23,085,233,005,572.54 - Step 5: Solve for x
x = 23,085,233,005,572.54/7,242,324.60 - Step 6: Final answer
x = 3,187,544.65
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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.