Finding the Fourth Proportional to 3,778,642.08, 5,214,265.56 and 2,125,036.44
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Solution
The fourth proportional to 3,778,642.08, 5,214,265.56 and 2,125,036.44 is: 2,932,403.78
Step by Step Solution
- Step 1: Write the proportion equation
3,778,642.08 : 5,214,265.56 = 2,125,036.44 : x - Step 2: Convert to fraction form
3,778,642.08/5,214,265.56 = 2,125,036.44/x - Step 3: Cross multiply
3,778,642.08x = 5,214,265.56 × 2,125,036.44 - Step 4: Simplify right side
3,778,642.08x = 11,080,504,322,837.01 - Step 5: Solve for x
x = 11,080,504,322,837.01/3,778,642.08 - Step 6: Final answer
x = 2,932,403.78
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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.