Finding the Fourth Proportional to 1,670,327.97, 2,305,058.72 and 906,381.51
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Solution
The fourth proportional to 1,670,327.97, 2,305,058.72 and 906,381.51 is: 1,250,809.81
Step by Step Solution
- Step 1: Write the proportion equation
1,670,327.97 : 2,305,058.72 = 906,381.51 : x - Step 2: Convert to fraction form
1,670,327.97/2,305,058.72 = 906,381.51/x - Step 3: Cross multiply
1,670,327.97x = 2,305,058.72 × 906,381.51 - Step 4: Simplify right side
1,670,327.97x = 2,089,262,603,272.27 - Step 5: Solve for x
x = 2,089,262,603,272.27/1,670,327.97 - Step 6: Final answer
x = 1,250,809.81
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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.