Finding the Fourth Proportional to 5,129,728.14, 7,079,233.23 and 2,837,849.34
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Solution
The fourth proportional to 5,129,728.14, 7,079,233.23 and 2,837,849.34 is: 3,916,347.38
Step by Step Solution
- Step 1: Write the proportion equation
5,129,728.14 : 7,079,233.23 = 2,837,849.34 : x - Step 2: Convert to fraction form
5,129,728.14/7,079,233.23 = 2,837,849.34/x - Step 3: Cross multiply
5,129,728.14x = 7,079,233.23 × 2,837,849.34 - Step 4: Simplify right side
5,129,728.14x = 20,089,797,349,461.57 - Step 5: Solve for x
x = 20,089,797,349,461.57/5,129,728.14 - Step 6: Final answer
x = 3,916,347.38
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1.5x scale
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.