Finding the Fourth Proportional to 1,670,461.37, 2,305,236.60 and 906,514.93
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Solution
The fourth proportional to 1,670,461.37, 2,305,236.60 and 906,514.93 is: 1,250,990.55
Step by Step Solution
- Step 1: Write the proportion equation
1,670,461.37 : 2,305,236.60 = 906,514.93 : x - Step 2: Convert to fraction form
1,670,461.37/2,305,236.60 = 906,514.93/x - Step 3: Cross multiply
1,670,461.37x = 2,305,236.60 × 906,514.93 - Step 4: Simplify right side
1,670,461.37x = 2,089,731,389,319.35 - Step 5: Solve for x
x = 2,089,731,389,319.35/1,670,461.37 - Step 6: Final answer
x = 1,250,990.55
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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.