Finding the Fourth Proportional to 7,206,918.51, 10,808,153.26 and 2,089,725.60
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Solution
The fourth proportional to 7,206,918.51, 10,808,153.26 and 2,089,725.60 is: 3,133,943.37
Step by Step Solution
- Step 1: Write the proportion equation
7,206,918.51 : 10,808,153.26 = 2,089,725.60 : x - Step 2: Convert to fraction form
7,206,918.51/10,808,153.26 = 2,089,725.60/x - Step 3: Cross multiply
7,206,918.51x = 10,808,153.26 × 2,089,725.60 - Step 4: Simplify right side
7,206,918.51x = 22,586,074,518,227.04 - Step 5: Solve for x
x = 22,586,074,518,227.04/7,206,918.51 - Step 6: Final answer
x = 3,133,943.37
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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.