Finding the Fourth Proportional to 5,239,195.94, 7,230,079.44 and 2,947,356.62
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Solution
The fourth proportional to 5,239,195.94, 7,230,079.44 and 2,947,356.62 is: 4,067,345.98
Step by Step Solution
- Step 1: Write the proportion equation
5,239,195.94 : 7,230,079.44 = 2,947,356.62 : x - Step 2: Convert to fraction form
5,239,195.94/7,230,079.44 = 2,947,356.62/x - Step 3: Cross multiply
5,239,195.94x = 7,230,079.44 × 2,947,356.62 - Step 4: Simplify right side
5,239,195.94x = 21,309,622,500,609.89 - Step 5: Solve for x
x = 21,309,622,500,609.89/5,239,195.94 - Step 6: Final answer
x = 4,067,345.98
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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.