Finding the Fourth Proportional to 4,390,487.09, 6,585,693.69 and 3,431,749.12
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Solution
The fourth proportional to 4,390,487.09, 6,585,693.69 and 3,431,749.12 is: 5,147,594.80
Step by Step Solution
- Step 1: Write the proportion equation
4,390,487.09 : 6,585,693.69 = 3,431,749.12 : x - Step 2: Convert to fraction form
4,390,487.09/6,585,693.69 = 3,431,749.12/x - Step 3: Cross multiply
4,390,487.09x = 6,585,693.69 × 3,431,749.12 - Step 4: Simplify right side
4,390,487.09x = 22,600,448,502,348.29 - Step 5: Solve for x
x = 22,600,448,502,348.29/4,390,487.09 - Step 6: Final answer
x = 5,147,594.80
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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.