Finding the Fourth Proportional to 4,971,134.68, 6,859,563.12 and 2,765,476.36
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Solution
The fourth proportional to 4,971,134.68, 6,859,563.12 and 2,765,476.36 is: 3,816,022.07
Step by Step Solution
- Step 1: Write the proportion equation
4,971,134.68 : 6,859,563.12 = 2,765,476.36 : x - Step 2: Convert to fraction form
4,971,134.68/6,859,563.12 = 2,765,476.36/x - Step 3: Cross multiply
4,971,134.68x = 6,859,563.12 × 2,765,476.36 - Step 4: Simplify right side
4,971,134.68x = 18,969,959,648,287.84 - Step 5: Solve for x
x = 18,969,959,648,287.84/4,971,134.68 - Step 6: Final answer
x = 3,816,022.07
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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.