Finding the Fourth Proportional to 1,670,408.42, 2,305,163.65 and 906,462.02
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Solution
The fourth proportional to 1,670,408.42, 2,305,163.65 and 906,462.02 is: 1,250,917.60
Step by Step Solution
- Step 1: Write the proportion equation
1,670,408.42 : 2,305,163.65 = 906,462.02 : x - Step 2: Convert to fraction form
1,670,408.42/2,305,163.65 = 906,462.02/x - Step 3: Cross multiply
1,670,408.42x = 2,305,163.65 × 906,462.02 - Step 4: Simplify right side
1,670,408.42x = 2,089,543,298,609.57 - Step 5: Solve for x
x = 2,089,543,298,609.57/1,670,408.42 - Step 6: Final answer
x = 1,250,917.60
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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.