Finding the Fourth Proportional to 1,371,343.62, 2,058,342.21 and 661,871.10
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Solution
The fourth proportional to 1,371,343.62, 2,058,342.21 and 661,871.10 is: 993,447.01
Step by Step Solution
- Step 1: Write the proportion equation
1,371,343.62 : 2,058,342.21 = 661,871.10 : x - Step 2: Convert to fraction form
1,371,343.62/2,058,342.21 = 661,871.10/x - Step 3: Cross multiply
1,371,343.62x = 2,058,342.21 × 661,871.10 - Step 4: Simplify right side
1,371,343.62x = 1,362,357,222,709.13 - Step 5: Solve for x
x = 1,362,357,222,709.13/1,371,343.62 - Step 6: Final answer
x = 993,447.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.