Finding the Fourth Proportional to 4,741,304.81, 7,111,975.66 and 1,147,065.99
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Solution
The fourth proportional to 4,741,304.81, 7,111,975.66 and 1,147,065.99 is: 1,720,603.44
Step by Step Solution
- Step 1: Write the proportion equation
4,741,304.81 : 7,111,975.66 = 1,147,065.99 : x - Step 2: Convert to fraction form
4,741,304.81/7,111,975.66 = 1,147,065.99/x - Step 3: Cross multiply
4,741,304.81x = 7,111,975.66 × 1,147,065.99 - Step 4: Simplify right side
4,741,304.81x = 8,157,905,371,756.23 - Step 5: Solve for x
x = 8,157,905,371,756.23/4,741,304.81 - Step 6: Final answer
x = 1,720,603.44
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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.