Finding the Fourth Proportional to 5,321,315.97, 7,343,414.87 and 2,873,926.89
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Solution
The fourth proportional to 5,321,315.97, 7,343,414.87 and 2,873,926.89 is: 3,966,018.47
Step by Step Solution
- Step 1: Write the proportion equation
5,321,315.97 : 7,343,414.87 = 2,873,926.89 : x - Step 2: Convert to fraction form
5,321,315.97/7,343,414.87 = 2,873,926.89/x - Step 3: Cross multiply
5,321,315.97x = 7,343,414.87 × 2,873,926.89 - Step 4: Simplify right side
5,321,315.97x = 21,104,437,444,949.22 - Step 5: Solve for x
x = 21,104,437,444,949.22/5,321,315.97 - Step 6: Final answer
x = 3,966,018.47
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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.