Finding the Fourth Proportional to 5,079,313.58, 7,007,457.29 and 2,902,688.99
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Solution
The fourth proportional to 5,079,313.58, 7,007,457.29 and 2,902,688.99 is: 4,004,570.47
Step by Step Solution
- Step 1: Write the proportion equation
5,079,313.58 : 7,007,457.29 = 2,902,688.99 : x - Step 2: Convert to fraction form
5,079,313.58/7,007,457.29 = 2,902,688.99/x - Step 3: Cross multiply
5,079,313.58x = 7,007,457.29 × 2,902,688.99 - Step 4: Simplify right side
5,079,313.58x = 20,340,469,144,505.79 - Step 5: Solve for x
x = 20,340,469,144,505.79/5,079,313.58 - Step 6: Final answer
x = 4,004,570.47
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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.