Finding the Fourth Proportional to 2,247,871.29, 3,102,346.47 and 1,474,153.21
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Solution
The fourth proportional to 2,247,871.29, 3,102,346.47 and 1,474,153.21 is: 2,034,517.74
Step by Step Solution
- Step 1: Write the proportion equation
2,247,871.29 : 3,102,346.47 = 1,474,153.21 : x - Step 2: Convert to fraction form
2,247,871.29/3,102,346.47 = 1,474,153.21/x - Step 3: Cross multiply
2,247,871.29x = 3,102,346.47 × 1,474,153.21 - Step 4: Simplify right side
2,247,871.29x = 4,573,334,007,282.67 - Step 5: Solve for x
x = 4,573,334,007,282.67/2,247,871.29 - Step 6: Final answer
x = 2,034,517.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.