Finding the Fourth Proportional to 1,643,536.94, 2,465,305.44 and 445,459.26
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Solution
The fourth proportional to 1,643,536.94, 2,465,305.44 and 445,459.26 is: 668,188.90
Step by Step Solution
- Step 1: Write the proportion equation
1,643,536.94 : 2,465,305.44 = 445,459.26 : x - Step 2: Convert to fraction form
1,643,536.94/2,465,305.44 = 445,459.26/x - Step 3: Cross multiply
1,643,536.94x = 2,465,305.44 × 445,459.26 - Step 4: Simplify right side
1,643,536.94x = 1,098,193,136,976.37 - Step 5: Solve for x
x = 1,098,193,136,976.37/1,643,536.94 - Step 6: Final answer
x = 668,188.90
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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.