Finding the Fourth Proportional to 4,694,817.16, 6,479,419.80 and 2,760,984.28
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Solution
The fourth proportional to 4,694,817.16, 6,479,419.80 and 2,760,984.28 is: 3,810,494.77
Step by Step Solution
- Step 1: Write the proportion equation
4,694,817.16 : 6,479,419.80 = 2,760,984.28 : x - Step 2: Convert to fraction form
4,694,817.16/6,479,419.80 = 2,760,984.28/x - Step 3: Cross multiply
4,694,817.16x = 6,479,419.80 × 2,760,984.28 - Step 4: Simplify right side
4,694,817.16x = 17,889,576,211,320.74 - Step 5: Solve for x
x = 17,889,576,211,320.74/4,694,817.16 - Step 6: Final answer
x = 3,810,494.77
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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.