Finding the Fourth Proportional to 5,201,456.99, 7,179,453.23 and 3,026,420.28
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Solution
The fourth proportional to 5,201,456.99, 7,179,453.23 and 3,026,420.28 is: 4,177,299.34
Step by Step Solution
- Step 1: Write the proportion equation
5,201,456.99 : 7,179,453.23 = 3,026,420.28 : x - Step 2: Convert to fraction form
5,201,456.99/7,179,453.23 = 3,026,420.28/x - Step 3: Cross multiply
5,201,456.99x = 7,179,453.23 × 3,026,420.28 - Step 4: Simplify right side
5,201,456.99x = 21,728,042,839,451.40 - Step 5: Solve for x
x = 21,728,042,839,451.40/5,201,456.99 - Step 6: Final answer
x = 4,177,299.34
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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.