Finding the Fourth Proportional to 1,620,388.62, 2,431,102.18 and 1,134,576.81
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Solution
The fourth proportional to 1,620,388.62, 2,431,102.18 and 1,134,576.81 is: 1,702,228.79
Step by Step Solution
- Step 1: Write the proportion equation
1,620,388.62 : 2,431,102.18 = 1,134,576.81 : x - Step 2: Convert to fraction form
1,620,388.62/2,431,102.18 = 1,134,576.81/x - Step 3: Cross multiply
1,620,388.62x = 2,431,102.18 × 1,134,576.81 - Step 4: Simplify right side
1,620,388.62x = 2,758,272,163,436.37 - Step 5: Solve for x
x = 2,758,272,163,436.37/1,620,388.62 - Step 6: Final answer
x = 1,702,228.79
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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.