Finding the Fourth Proportional to 1,670,459.49, 2,305,234.01 and 906,513.05
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Solution
The fourth proportional to 1,670,459.49, 2,305,234.01 and 906,513.05 is: 1,250,987.97
Step by Step Solution
- Step 1: Write the proportion equation
1,670,459.49 : 2,305,234.01 = 906,513.05 : x - Step 2: Convert to fraction form
1,670,459.49/2,305,234.01 = 906,513.05/x - Step 3: Cross multiply
1,670,459.49x = 2,305,234.01 × 906,513.05 - Step 4: Simplify right side
1,670,459.49x = 2,089,724,721,398.20 - Step 5: Solve for x
x = 2,089,724,721,398.20/1,670,459.49 - Step 6: Final answer
x = 1,250,987.97
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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.