Finding the Fourth Proportional to 2,836,824.36, 3,914,799.03 and 1,613,130.09
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Solution
The fourth proportional to 2,836,824.36, 3,914,799.03 and 1,613,130.09 is: 2,226,108.96
Step by Step Solution
- Step 1: Write the proportion equation
2,836,824.36 : 3,914,799.03 = 1,613,130.09 : x - Step 2: Convert to fraction form
2,836,824.36/3,914,799.03 = 1,613,130.09/x - Step 3: Cross multiply
2,836,824.36x = 3,914,799.03 × 1,613,130.09 - Step 4: Simplify right side
2,836,824.36x = 6,315,080,111,595.81 - Step 5: Solve for x
x = 6,315,080,111,595.81/2,836,824.36 - Step 6: Final answer
x = 2,226,108.96
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Double scale
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1.5x scale
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.