Finding the Fourth Proportional to 2,133,515.46, 3,200,276.43 and 871,343.09
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Solution
The fourth proportional to 2,133,515.46, 3,200,276.43 and 871,343.09 is: 1,307,015.95
Step by Step Solution
- Step 1: Write the proportion equation
2,133,515.46 : 3,200,276.43 = 871,343.09 : x - Step 2: Convert to fraction form
2,133,515.46/3,200,276.43 = 871,343.09/x - Step 3: Cross multiply
2,133,515.46x = 3,200,276.43 × 871,343.09 - Step 4: Simplify right side
2,133,515.46x = 2,788,538,737,368.99 - Step 5: Solve for x
x = 2,788,538,737,368.99/2,133,515.46 - Step 6: Final answer
x = 1,307,015.95
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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.