Finding the Fourth Proportional to 1,812,193.05, 2,716,591.95 and 613,276.05
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Solution
The fourth proportional to 1,812,193.05, 2,716,591.95 and 613,276.05 is: 919,339.57
Step by Step Solution
- Step 1: Write the proportion equation
1,812,193.05 : 2,716,591.95 = 613,276.05 : x - Step 2: Convert to fraction form
1,812,193.05/2,716,591.95 = 613,276.05/x - Step 3: Cross multiply
1,812,193.05x = 2,716,591.95 × 613,276.05 - Step 4: Simplify right side
1,812,193.05x = 1,666,020,780,557.80 - Step 5: Solve for x
x = 1,666,020,780,557.80/1,812,193.05 - Step 6: Final answer
x = 919,339.57
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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.