Finding the Fourth Proportional to 1,731,842.85, 2,389,840.20 and 957,427.32
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Solution
The fourth proportional to 1,731,842.85, 2,389,840.20 and 957,427.32 is: 1,321,192.80
Step by Step Solution
- Step 1: Write the proportion equation
1,731,842.85 : 2,389,840.20 = 957,427.32 : x - Step 2: Convert to fraction form
1,731,842.85/2,389,840.20 = 957,427.32/x - Step 3: Cross multiply
1,731,842.85x = 2,389,840.20 × 957,427.32 - Step 4: Simplify right side
1,731,842.85x = 2,288,098,297,914.26 - Step 5: Solve for x
x = 2,288,098,297,914.26/1,731,842.85 - Step 6: Final answer
x = 1,321,192.80
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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.