Finding the Fourth Proportional to 7,171,452.26, 9,896,604.27 and 3,952,188.26
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Solution
The fourth proportional to 7,171,452.26, 9,896,604.27 and 3,952,188.26 is: 5,454,019.88
Step by Step Solution
- Step 1: Write the proportion equation
7,171,452.26 : 9,896,604.27 = 3,952,188.26 : x - Step 2: Convert to fraction form
7,171,452.26/9,896,604.27 = 3,952,188.26/x - Step 3: Cross multiply
7,171,452.26x = 9,896,604.27 × 3,952,188.26 - Step 4: Simplify right side
7,171,452.26x = 39,113,243,209,759.87 - Step 5: Solve for x
x = 39,113,243,209,759.87/7,171,452.26 - Step 6: Final answer
x = 5,454,019.88
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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.