Finding the Fourth Proportional to 5,728,939.14, 7,906,032.36 and 3,281,764.17
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Solution
The fourth proportional to 5,728,939.14, 7,906,032.36 and 3,281,764.17 is: 4,528,889.75
Step by Step Solution
- Step 1: Write the proportion equation
5,728,939.14 : 7,906,032.36 = 3,281,764.17 : x - Step 2: Convert to fraction form
5,728,939.14/7,906,032.36 = 3,281,764.17/x - Step 3: Cross multiply
5,728,939.14x = 7,906,032.36 × 3,281,764.17 - Step 4: Simplify right side
5,728,939.14x = 25,945,733,725,908.54 - Step 5: Solve for x
x = 25,945,733,725,908.54/5,728,939.14 - Step 6: Final answer
x = 4,528,889.75
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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.