Finding the Fourth Proportional to 1,670,460.49, 2,305,235.39 and 906,514.05
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Solution
The fourth proportional to 1,670,460.49, 2,305,235.39 and 906,514.05 is: 1,250,989.34
Step by Step Solution
- Step 1: Write the proportion equation
1,670,460.49 : 2,305,235.39 = 906,514.05 : x - Step 2: Convert to fraction form
1,670,460.49/2,305,235.39 = 906,514.05/x - Step 3: Cross multiply
1,670,460.49x = 2,305,235.39 × 906,514.05 - Step 4: Simplify right side
1,670,460.49x = 2,089,728,269,592.23 - Step 5: Solve for x
x = 2,089,728,269,592.23/1,670,460.49 - Step 6: Final answer
x = 1,250,989.34
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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.