Finding the Fourth Proportional to 3,876,054.36, 5,348,955.02 and 2,157,580.84
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Solution
The fourth proportional to 3,876,054.36, 5,348,955.02 and 2,157,580.84 is: 2,977,461.56
Step by Step Solution
- Step 1: Write the proportion equation
3,876,054.36 : 5,348,955.02 = 2,157,580.84 : x - Step 2: Convert to fraction form
3,876,054.36/5,348,955.02 = 2,157,580.84/x - Step 3: Cross multiply
3,876,054.36x = 5,348,955.02 × 2,157,580.84 - Step 4: Simplify right side
3,876,054.36x = 11,540,802,857,195.38 - Step 5: Solve for x
x = 11,540,802,857,195.38/3,876,054.36 - Step 6: Final answer
x = 2,977,461.56
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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.