Finding the Fourth Proportional to 1,243,318.94, 1,864,972.25 and 1,074,324.99
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Solution
The fourth proportional to 1,243,318.94, 1,864,972.25 and 1,074,324.99 is: 1,611,482.16
Step by Step Solution
- Step 1: Write the proportion equation
1,243,318.94 : 1,864,972.25 = 1,074,324.99 : x - Step 2: Convert to fraction form
1,243,318.94/1,864,972.25 = 1,074,324.99/x - Step 3: Cross multiply
1,243,318.94x = 1,864,972.25 × 1,074,324.99 - Step 4: Simplify right side
1,243,318.94x = 2,003,586,288,459.90 - Step 5: Solve for x
x = 2,003,586,288,459.90/1,243,318.94 - Step 6: Final answer
x = 1,611,482.16
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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.