Finding the Fourth Proportional to 5,713,916.13, 7,884,816.03 and 3,135,762.99
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Solution
The fourth proportional to 5,713,916.13, 7,884,816.03 and 3,135,762.99 is: 4,327,139.87
Step by Step Solution
- Step 1: Write the proportion equation
5,713,916.13 : 7,884,816.03 = 3,135,762.99 : x - Step 2: Convert to fraction form
5,713,916.13/7,884,816.03 = 3,135,762.99/x - Step 3: Cross multiply
5,713,916.13x = 7,884,816.03 × 3,135,762.99 - Step 4: Simplify right side
5,713,916.13x = 24,724,914,289,832.73 - Step 5: Solve for x
x = 24,724,914,289,832.73/5,713,916.13 - Step 6: Final answer
x = 4,327,139.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.