Finding the Fourth Proportional to 2,158,119.21, 3,236,477.97 and 718,415.90
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Solution
The fourth proportional to 2,158,119.21, 3,236,477.97 and 718,415.90 is: 1,077,390.54
Step by Step Solution
- Step 1: Write the proportion equation
2,158,119.21 : 3,236,477.97 = 718,415.90 : x - Step 2: Convert to fraction form
2,158,119.21/3,236,477.97 = 718,415.90/x - Step 3: Cross multiply
2,158,119.21x = 3,236,477.97 × 718,415.90 - Step 4: Simplify right side
2,158,119.21x = 2,325,137,228,255.10 - Step 5: Solve for x
x = 2,325,137,228,255.10/2,158,119.21 - Step 6: Final answer
x = 1,077,390.54
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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.