Finding the Fourth Proportional to 5,440,527.54, 7,507,916.73 and 2,993,132.70
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Solution
The fourth proportional to 5,440,527.54, 7,507,916.73 and 2,993,132.70 is: 4,130,516.92
Step by Step Solution
- Step 1: Write the proportion equation
5,440,527.54 : 7,507,916.73 = 2,993,132.70 : x - Step 2: Convert to fraction form
5,440,527.54/7,507,916.73 = 2,993,132.70/x - Step 3: Cross multiply
5,440,527.54x = 7,507,916.73 × 2,993,132.70 - Step 4: Simplify right side
5,440,527.54x = 22,472,191,073,440.07 - Step 5: Solve for x
x = 22,472,191,073,440.07/5,440,527.54 - Step 6: Final answer
x = 4,130,516.92
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1.5x scale
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.