Finding the Fourth Proportional to 3,272,427.19, 4,906,998.24 and 1,906,642.99
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Solution
The fourth proportional to 3,272,427.19, 4,906,998.24 and 1,906,642.99 is: 2,859,007.47
Step by Step Solution
- Step 1: Write the proportion equation
3,272,427.19 : 4,906,998.24 = 1,906,642.99 : x - Step 2: Convert to fraction form
3,272,427.19/4,906,998.24 = 1,906,642.99/x - Step 3: Cross multiply
3,272,427.19x = 4,906,998.24 × 1,906,642.99 - Step 4: Simplify right side
3,272,427.19x = 9,355,893,796,238.34 - Step 5: Solve for x
x = 9,355,893,796,238.34/3,272,427.19 - Step 6: Final answer
x = 2,859,007.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.