Finding the Fourth Proportional to 3,739,886.58, 5,161,043.35 and 2,021,007.09
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Solution
The fourth proportional to 3,739,886.58, 5,161,043.35 and 2,021,007.09 is: 2,788,989.71
Step by Step Solution
- Step 1: Write the proportion equation
3,739,886.58 : 5,161,043.35 = 2,021,007.09 : x - Step 2: Convert to fraction form
3,739,886.58/5,161,043.35 = 2,021,007.09/x - Step 3: Cross multiply
3,739,886.58x = 5,161,043.35 × 2,021,007.09 - Step 4: Simplify right side
3,739,886.58x = 10,430,505,202,147.35 - Step 5: Solve for x
x = 10,430,505,202,147.35/3,739,886.58 - Step 6: Final answer
x = 2,788,989.71
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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.