Finding the Fourth Proportional to 1,643,530.97, 2,465,296.42 and 445,453.26
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Solution
The fourth proportional to 1,643,530.97, 2,465,296.42 and 445,453.26 is: 668,179.88
Step by Step Solution
- Step 1: Write the proportion equation
1,643,530.97 : 2,465,296.42 = 445,453.26 : x - Step 2: Convert to fraction form
1,643,530.97/2,465,296.42 = 445,453.26/x - Step 3: Cross multiply
1,643,530.97x = 2,465,296.42 × 445,453.26 - Step 4: Simplify right side
1,643,530.97x = 1,098,174,334,652.98 - Step 5: Solve for x
x = 1,098,174,334,652.98/1,643,530.97 - Step 6: Final answer
x = 668,179.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.