Finding the Fourth Proportional to 1,670,408.73, 2,305,170.09 and 906,462.09
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Solution
The fourth proportional to 1,670,408.73, 2,305,170.09 and 906,462.09 is: 1,250,920.96
Step by Step Solution
- Step 1: Write the proportion equation
1,670,408.73 : 2,305,170.09 = 906,462.09 : x - Step 2: Convert to fraction form
1,670,408.73/2,305,170.09 = 906,462.09/x - Step 3: Cross multiply
1,670,408.73x = 2,305,170.09 × 906,462.09 - Step 4: Simplify right side
1,670,408.73x = 2,089,549,297,586.89 - Step 5: Solve for x
x = 2,089,549,297,586.89/1,670,408.73 - Step 6: Final answer
x = 1,250,920.96
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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.