Finding the Fourth Proportional to 5,972,457.30, 8,241,635.97 and 3,393,780.18
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Solution
The fourth proportional to 5,972,457.30, 8,241,635.97 and 3,393,780.18 is: 4,683,214.86
Step by Step Solution
- Step 1: Write the proportion equation
5,972,457.30 : 8,241,635.97 = 3,393,780.18 : x - Step 2: Convert to fraction form
5,972,457.30/8,241,635.97 = 3,393,780.18/x - Step 3: Cross multiply
5,972,457.30x = 8,241,635.97 × 3,393,780.18 - Step 4: Simplify right side
5,972,457.30x = 27,970,300,805,761.07 - Step 5: Solve for x
x = 27,970,300,805,761.07/5,972,457.30 - Step 6: Final answer
x = 4,683,214.86
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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.