Finding the Fourth Proportional to 5,745,530.24, 7,928,886.96 and 3,167,303.28
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Solution
The fourth proportional to 5,745,530.24, 7,928,886.96 and 3,167,303.28 is: 4,370,908.97
Step by Step Solution
- Step 1: Write the proportion equation
5,745,530.24 : 7,928,886.96 = 3,167,303.28 : x - Step 2: Convert to fraction form
5,745,530.24/7,928,886.96 = 3,167,303.28/x - Step 3: Cross multiply
5,745,530.24x = 7,928,886.96 × 3,167,303.28 - Step 4: Simplify right side
5,745,530.24x = 25,113,189,675,157.23 - Step 5: Solve for x
x = 25,113,189,675,157.23/5,745,530.24 - Step 6: Final answer
x = 4,370,908.97
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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.