Finding the Fourth Proportional to 3,439,021.23, 5,150,665.13 and 1,643,166.99
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Solution
The fourth proportional to 3,439,021.23, 5,150,665.13 and 1,643,166.99 is: 2,460,991.76
Step by Step Solution
- Step 1: Write the proportion equation
3,439,021.23 : 5,150,665.13 = 1,643,166.99 : x - Step 2: Convert to fraction form
3,439,021.23/5,150,665.13 = 1,643,166.99/x - Step 3: Cross multiply
3,439,021.23x = 5,150,665.13 × 1,643,166.99 - Step 4: Simplify right side
3,439,021.23x = 8,463,402,909,944.22 - Step 5: Solve for x
x = 8,463,402,909,944.22/3,439,021.23 - Step 6: Final answer
x = 2,460,991.76
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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.