Finding the Fourth Proportional to 1,670,748.93, 2,305,571.85 and 906,786.09
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Solution
The fourth proportional to 1,670,748.93, 2,305,571.85 and 906,786.09 is: 1,251,331.33
Step by Step Solution
- Step 1: Write the proportion equation
1,670,748.93 : 2,305,571.85 = 906,786.09 : x - Step 2: Convert to fraction form
1,670,748.93/2,305,571.85 = 906,786.09/x - Step 3: Cross multiply
1,670,748.93x = 2,305,571.85 × 906,786.09 - Step 4: Simplify right side
1,670,748.93x = 2,090,660,483,075.57 - Step 5: Solve for x
x = 2,090,660,483,075.57/1,670,748.93 - Step 6: Final answer
x = 1,251,331.33
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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.