Finding the Fourth Proportional to 5,745,376.08, 7,928,673.48 and 3,167,149.10
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Solution
The fourth proportional to 5,745,376.08, 7,928,673.48 and 3,167,149.10 is: 4,370,695.79
Step by Step Solution
- Step 1: Write the proportion equation
5,745,376.08 : 7,928,673.48 = 3,167,149.10 : x - Step 2: Convert to fraction form
5,745,376.08/7,928,673.48 = 3,167,149.10/x - Step 3: Cross multiply
5,745,376.08x = 7,928,673.48 × 3,167,149.10 - Step 4: Simplify right side
5,745,376.08x = 25,111,291,036,732.50 - Step 5: Solve for x
x = 25,111,291,036,732.50/5,745,376.08 - Step 6: Final answer
x = 4,370,695.79
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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.