Finding the Fourth Proportional to 1,670,412.11, 2,305,174.75 and 906,465.47
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Solution
The fourth proportional to 1,670,412.11, 2,305,174.75 and 906,465.47 is: 1,250,925.62
Step by Step Solution
- Step 1: Write the proportion equation
1,670,412.11 : 2,305,174.75 = 906,465.47 : x - Step 2: Convert to fraction form
1,670,412.11/2,305,174.75 = 906,465.47/x - Step 3: Cross multiply
1,670,412.11x = 2,305,174.75 × 906,465.47 - Step 4: Simplify right side
1,670,412.11x = 2,089,561,299,398.85 - Step 5: Solve for x
x = 2,089,561,299,398.85/1,670,412.11 - Step 6: Final answer
x = 1,250,925.62
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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.