Finding the Fourth Proportional to 2,634,511.84, 3,635,630.16 and 1,427,287.84
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Solution
The fourth proportional to 2,634,511.84, 3,635,630.16 and 1,427,287.84 is: 1,969,659.29
Step by Step Solution
- Step 1: Write the proportion equation
2,634,511.84 : 3,635,630.16 = 1,427,287.84 : x - Step 2: Convert to fraction form
2,634,511.84/3,635,630.16 = 1,427,287.84/x - Step 3: Cross multiply
2,634,511.84x = 3,635,630.16 × 1,427,287.84 - Step 4: Simplify right side
2,634,511.84x = 5,189,090,718,105.26 - Step 5: Solve for x
x = 5,189,090,718,105.26/2,634,511.84 - Step 6: Final answer
x = 1,969,659.29
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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.