Finding the Fourth Proportional to 6,351,548.81, 8,765,217.07 and 3,450,988.12
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Solution
The fourth proportional to 6,351,548.81, 8,765,217.07 and 3,450,988.12 is: 4,762,406.92
Step by Step Solution
- Step 1: Write the proportion equation
6,351,548.81 : 8,765,217.07 = 3,450,988.12 : x - Step 2: Convert to fraction form
6,351,548.81/8,765,217.07 = 3,450,988.12/x - Step 3: Cross multiply
6,351,548.81x = 8,765,217.07 × 3,450,988.12 - Step 4: Simplify right side
6,351,548.81x = 30,248,659,977,791.21 - Step 5: Solve for x
x = 30,248,659,977,791.21/6,351,548.81 - Step 6: Final answer
x = 4,762,406.92
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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.