Finding the Fourth Proportional to 1,332,717.81, 1,838,992.53 and 751,907.09
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Solution
The fourth proportional to 1,332,717.81, 1,838,992.53 and 751,907.09 is: 1,037,542.61
Step by Step Solution
- Step 1: Write the proportion equation
1,332,717.81 : 1,838,992.53 = 751,907.09 : x - Step 2: Convert to fraction form
1,332,717.81/1,838,992.53 = 751,907.09/x - Step 3: Cross multiply
1,332,717.81x = 1,838,992.53 × 751,907.09 - Step 4: Simplify right side
1,332,717.81x = 1,382,751,508,809.54 - Step 5: Solve for x
x = 1,382,751,508,809.54/1,332,717.81 - Step 6: Final answer
x = 1,037,542.61
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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.