Finding the Fourth Proportional to 1,348,611.21, 2,023,052.12 and 389,090.58
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Solution
The fourth proportional to 1,348,611.21, 2,023,052.12 and 389,090.58 is: 583,674.90
Step by Step Solution
- Step 1: Write the proportion equation
1,348,611.21 : 2,023,052.12 = 389,090.58 : x - Step 2: Convert to fraction form
1,348,611.21/2,023,052.12 = 389,090.58/x - Step 3: Cross multiply
1,348,611.21x = 2,023,052.12 × 389,090.58 - Step 4: Simplify right side
1,348,611.21x = 787,150,514,668.22 - Step 5: Solve for x
x = 787,150,514,668.22/1,348,611.21 - Step 6: Final answer
x = 583,674.90
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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.