Finding the Fourth Proportional to 2,449,822.48, 3,379,784.02 and 1,417,138.61
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Solution
The fourth proportional to 2,449,822.48, 3,379,784.02 and 1,417,138.61 is: 1,955,089.58
Step by Step Solution
- Step 1: Write the proportion equation
2,449,822.48 : 3,379,784.02 = 1,417,138.61 : x - Step 2: Convert to fraction form
2,449,822.48/3,379,784.02 = 1,417,138.61/x - Step 3: Cross multiply
2,449,822.48x = 3,379,784.02 × 1,417,138.61 - Step 4: Simplify right side
2,449,822.48x = 4,789,622,407,761.25 - Step 5: Solve for x
x = 4,789,622,407,761.25/2,449,822.48 - Step 6: Final answer
x = 1,955,089.58
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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.