Finding the Fourth Proportional to 6,638,976.19, 9,162,660.21 and 3,738,934.00
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Solution
The fourth proportional to 6,638,976.19, 9,162,660.21 and 3,738,934.00 is: 5,160,220.61
Step by Step Solution
- Step 1: Write the proportion equation
6,638,976.19 : 9,162,660.21 = 3,738,934.00 : x - Step 2: Convert to fraction form
6,638,976.19/9,162,660.21 = 3,738,934.00/x - Step 3: Cross multiply
6,638,976.19x = 9,162,660.21 × 3,738,934.00 - Step 4: Simplify right side
6,638,976.19x = 34,258,581,743,802.84 - Step 5: Solve for x
x = 34,258,581,743,802.84/6,638,976.19 - Step 6: Final answer
x = 5,160,220.61
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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.