Finding the Fourth Proportional to 2,269,997.46, 3,132,620.73 and 1,251,438.66
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Solution
The fourth proportional to 2,269,997.46, 3,132,620.73 and 1,251,438.66 is: 1,726,998.71
Step by Step Solution
- Step 1: Write the proportion equation
2,269,997.46 : 3,132,620.73 = 1,251,438.66 : x - Step 2: Convert to fraction form
2,269,997.46/3,132,620.73 = 1,251,438.66/x - Step 3: Cross multiply
2,269,997.46x = 3,132,620.73 × 1,251,438.66 - Step 4: Simplify right side
2,269,997.46x = 3,920,282,688,639.42 - Step 5: Solve for x
x = 3,920,282,688,639.42/2,269,997.46 - Step 6: Final answer
x = 1,726,998.71
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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.