Finding the Fourth Proportional to 1,670,608.51, 2,305,439.74 and 906,662.07
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Solution
The fourth proportional to 1,670,608.51, 2,305,439.74 and 906,662.07 is: 1,251,193.66
Step by Step Solution
- Step 1: Write the proportion equation
1,670,608.51 : 2,305,439.74 = 906,662.07 : x - Step 2: Convert to fraction form
1,670,608.51/2,305,439.74 = 906,662.07/x - Step 3: Cross multiply
1,670,608.51x = 2,305,439.74 × 906,662.07 - Step 4: Simplify right side
1,670,608.51x = 2,090,254,774,546.04 - Step 5: Solve for x
x = 2,090,254,774,546.04/1,670,608.51 - Step 6: Final answer
x = 1,251,193.66
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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.