Finding the Fourth Proportional to 3,239,321.28, 4,470,297.12 and 1,789,053.54
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Solution
The fourth proportional to 3,239,321.28, 4,470,297.12 and 1,789,053.54 is: 2,468,912.53
Step by Step Solution
- Step 1: Write the proportion equation
3,239,321.28 : 4,470,297.12 = 1,789,053.54 : x - Step 2: Convert to fraction form
3,239,321.28/4,470,297.12 = 1,789,053.54/x - Step 3: Cross multiply
3,239,321.28x = 4,470,297.12 × 1,789,053.54 - Step 4: Simplify right side
3,239,321.28x = 7,997,600,887,387.81 - Step 5: Solve for x
x = 7,997,600,887,387.81/3,239,321.28 - Step 6: Final answer
x = 2,468,912.53
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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.