Finding the Fourth Proportional to 1,670,460.99, 2,305,236.08 and 906,514.56
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Solution
The fourth proportional to 1,670,460.99, 2,305,236.08 and 906,514.56 is: 1,250,990.05
Step by Step Solution
- Step 1: Write the proportion equation
1,670,460.99 : 2,305,236.08 = 906,514.56 : x - Step 2: Convert to fraction form
1,670,460.99/2,305,236.08 = 906,514.56/x - Step 3: Cross multiply
1,670,460.99x = 2,305,236.08 × 906,514.56 - Step 4: Simplify right side
1,670,460.99x = 2,089,730,070,757.33 - Step 5: Solve for x
x = 2,089,730,070,757.33/1,670,460.99 - Step 6: Final answer
x = 1,250,990.05
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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.