Finding the Fourth Proportional to 2,133,420.33, 3,201,811.86 and 936,169.05
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Solution
The fourth proportional to 2,133,420.33, 3,201,811.86 and 936,169.05 is: 1,404,991.37
Step by Step Solution
- Step 1: Write the proportion equation
2,133,420.33 : 3,201,811.86 = 936,169.05 : x - Step 2: Convert to fraction form
2,133,420.33/3,201,811.86 = 936,169.05/x - Step 3: Cross multiply
2,133,420.33x = 3,201,811.86 × 936,169.05 - Step 4: Simplify right side
2,133,420.33x = 2,997,437,162,574.09 - Step 5: Solve for x
x = 2,997,437,162,574.09/2,133,420.33 - Step 6: Final answer
x = 1,404,991.37
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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.