Finding the Fourth Proportional to 5,745,142.23, 7,928,294.34 and 3,166,866.06
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Solution
The fourth proportional to 5,745,142.23, 7,928,294.34 and 3,166,866.06 is: 4,370,274.09
Step by Step Solution
- Step 1: Write the proportion equation
5,745,142.23 : 7,928,294.34 = 3,166,866.06 : x - Step 2: Convert to fraction form
5,745,142.23/7,928,294.34 = 3,166,866.06/x - Step 3: Cross multiply
5,745,142.23x = 7,928,294.34 × 3,166,866.06 - Step 4: Simplify right side
5,745,142.23x = 25,107,846,259,036.10 - Step 5: Solve for x
x = 25,107,846,259,036.10/5,745,142.23 - Step 6: Final answer
x = 4,370,274.09
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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.