Finding the Fourth Proportional to 1,644,163.80, 2,465,079.30 and 746,035.80
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Solution
The fourth proportional to 1,644,163.80, 2,465,079.30 and 746,035.80 is: 1,118,524.45
Step by Step Solution
- Step 1: Write the proportion equation
1,644,163.80 : 2,465,079.30 = 746,035.80 : x - Step 2: Convert to fraction form
1,644,163.80/2,465,079.30 = 746,035.80/x - Step 3: Cross multiply
1,644,163.80x = 2,465,079.30 × 746,035.80 - Step 4: Simplify right side
1,644,163.80x = 1,839,037,407,638.94 - Step 5: Solve for x
x = 1,839,037,407,638.94/1,644,163.80 - Step 6: Final answer
x = 1,118,524.45
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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.